80779376 has 20 divisors (see below), whose sum is σ = 165717072. Its totient is φ = 38013696.

The previous prime is 80779373. The next prime is 80779453. The reversal of 80779376 is 67397708.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 80779376.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80779373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148220 + ... + 148763.

Almost surely, 2^80779376 is an apocalyptic number.

It is an amenable number.

80779376 is an abundant number, since it is smaller than the sum of its proper divisors (84937696).

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

80779376 is a wasteful number, since it uses less digits than its factorization.

80779376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297008 (or 297002 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 47.

The square root of 80779376 is about 8987.7347535405. The cubic root of 80779376 is about 432.2816807195.

The spelling of 80779376 in words is "eighty million, seven hundred seventy-nine thousand, three hundred seventy-six".