78195336 has 32 divisors (see below), whose sum is σ = 205778400. Its totient is φ = 24693120.

The previous prime is 78195329. The next prime is 78195367. The reversal of 78195336 is 63359187.

78195336 is nontrivially palindromic in base 15.

It is a super-2 number, since 2×78195336² = 12229021144305792, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85285 + ... + 86196.

It is an arithmetic number, because the mean of its divisors is an integer number (6430575).

Almost surely, 2^78195336 is an apocalyptic number.

78195336 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

78195336 is an abundant number, since it is smaller than the sum of its proper divisors (127583064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78195336 is a wasteful number, since it uses less digits than its factorization.

78195336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171509 (or 171505 counting only the distinct ones).

The product of its digits is 136080, while the sum is 42.

The square root of 78195336 is about 8842.8126747093. The cubic root of 78195336 is about 427.6222392476.

The spelling of 78195336 in words is "seventy-eight million, one hundred ninety-five thousand, three hundred thirty-six".