78926772 has 24 divisors (see below), whose sum is σ = 189140896. Its totient is φ = 25597728.

The previous prime is 78926761. The next prime is 78926789. The reversal of 78926772 is 27762987.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88438 + ... + 89325.

Almost surely, 2^78926772 is an apocalyptic number.

It is an amenable number.

78926772 is an abundant number, since it is smaller than the sum of its proper divisors (110214124).

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

78926772 is a wasteful number, since it uses less digits than its factorization.

78926772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177807 (or 177805 counting only the distinct ones).

The product of its digits is 592704, while the sum is 48.

The square root of 78926772 is about 8884.0740654274. The cubic root of 78926772 is about 428.9514238009.

The spelling of 78926772 in words is "seventy-eight million, nine hundred twenty-six thousand, seven hundred seventy-two".