78935516 has 12 divisors (see below), whose sum is σ = 150695160. Its totient is φ = 35879760.

The previous prime is 78935501. The next prime is 78935531. The reversal of 78935516 is 61553987.

It is an interprime number because it is at equal distance from previous prime (78935501) and next prime (78935531).

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 1793989 = 78935516 / (7 + 8 + 9 + 3 + 5 + 5 + 1 + 6).

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, 896951 + ... + 897038.

It is an arithmetic number, because the mean of its divisors is an integer number (12557930).

Almost surely, 2^78935516 is an apocalyptic number.

It is an amenable number.

78935516 is a deficient number, since it is larger than the sum of its proper divisors (71759644).

78935516 is a wasteful number, since it uses less digits than its factorization.

78935516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1794004 (or 1794002 counting only the distinct ones).

The product of its digits is 226800, while the sum is 44.

The square root of 78935516 is about 8884.5661683619. The cubic root of 78935516 is about 428.9672638539.

The spelling of 78935516 in words is "seventy-eight million, nine hundred thirty-five thousand, five hundred sixteen".