78358495 has 4 divisors (see below), whose sum is σ = 94030200. Its totient is φ = 62686792.

The previous prime is 78358487. The next prime is 78358547. The reversal of 78358495 is 59485387.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59485387 = 13 ⋅4575799.

It is a cyclic number.

It is not a de Polignac number, because 78358495 - 2³ = 78358487 is a prime.

It is a super-2 number, since 2×78358495² = 12280107477330050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7835845 + ... + 7835854.

It is an arithmetic number, because the mean of its divisors is an integer number (23507550).

Almost surely, 2^78358495 is an apocalyptic number.

78358495 is a deficient number, since it is larger than the sum of its proper divisors (15671705).

78358495 is a wasteful number, since it uses less digits than its factorization.

78358495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15671704.

The product of its digits is 1209600, while the sum is 49.

The square root of 78358495 is about 8852.0333822235. The cubic root of 78358495 is about 427.9194519717.

The spelling of 78358495 in words is "seventy-eight million, three hundred fifty-eight thousand, four hundred ninety-five".