78360601 has 4 divisors (see below), whose sum is σ = 85484304. Its totient is φ = 71236900.

The previous prime is 78360593. The next prime is 78360619. The reversal of 78360601 is 10606387.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10606387 = 11 ⋅964217.

It is a cyclic number.

It is not a de Polignac number, because 78360601 - 2³ = 78360593 is a prime.

It is a super-2 number, since 2×78360601² = 12280767578162402, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78360101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3561835 + ... + 3561856.

It is an arithmetic number, because the mean of its divisors is an integer number (21371076).

Almost surely, 2^78360601 is an apocalyptic number.

It is an amenable number.

78360601 is a deficient number, since it is larger than the sum of its proper divisors (7123703).

78360601 is a wasteful number, since it uses less digits than its factorization.

78360601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7123702.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 78360601 is about 8852.1523371438. The cubic root of 78360601 is about 427.9232855926.

Adding to 78360601 its reverse (10606387), we get a palindrome (88966988).

It can be divided in two parts, 78360 and 601, that added together give a square (78961 = 281²).

The spelling of 78360601 in words is "seventy-eight million, three hundred sixty thousand, six hundred one".