78195356 has 24 divisors (see below), whose sum is σ = 141080016. Its totient is φ = 37895040.

The previous prime is 78195329. The next prime is 78195367. The reversal of 78195356 is 65359187.

It is a super-2 number, since 2×78195356² = 12229027399933472, which contains 22 as substring.

It is a congruent number.

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, 44576 + ... + 46296.

It is an arithmetic number, because the mean of its divisors is an integer number (5878334).

Almost surely, 2^78195356 is an apocalyptic number.

It is an amenable number.

78195356 is a deficient number, since it is larger than the sum of its proper divisors (62884660).

78195356 is a wasteful number, since it uses less digits than its factorization.

78195356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2069 (or 2067 counting only the distinct ones).

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

The square root of 78195356 is about 8842.8138055712. The cubic root of 78195356 is about 427.6222757052.

The spelling of 78195356 in words is "seventy-eight million, one hundred ninety-five thousand, three hundred fifty-six".