78460846 has 4 divisors (see below), whose sum is σ = 117691272. Its totient is φ = 39230422.

The previous prime is 78460807. The next prime is 78460847. The reversal of 78460846 is 64806487.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64806487 = 67 ⋅967261.

It is a super-2 number, since 2×78460846² = 12312208710071432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78460847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19615210 + ... + 19615213.

It is an arithmetic number, because the mean of its divisors is an integer number (29422818).

Almost surely, 2^78460846 is an apocalyptic number.

78460846 is a deficient number, since it is larger than the sum of its proper divisors (39230426).

78460846 is a wasteful number, since it uses less digits than its factorization.

78460846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39230425.

The product of its (nonzero) digits is 258048, while the sum is 43.

The square root of 78460846 is about 8857.8127096931. The cubic root of 78460846 is about 428.1056854625.

The spelling of 78460846 in words is "seventy-eight million, four hundred sixty thousand, eight hundred forty-six".