80764155 has 96 divisors (see below), whose sum is σ = 162086400. Its totient is φ = 37977984.

The previous prime is 80764129. The next prime is 80764157. The reversal of 80764155 is 55146708.

80764155 is a `hidden beast` number, since 8 + 0 + 7 + 641 + 5 + 5 = 666.

It is not a de Polignac number, because 80764155 - 2⁷ = 80764027 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80764157) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2182797 + ... + 2182833.

It is an arithmetic number, because the mean of its divisors is an integer number (1688400).

Almost surely, 2^80764155 is an apocalyptic number.

80764155 is an abundant number, since it is smaller than the sum of its proper divisors (81322245).

80764155 is a wasteful number, since it uses less digits than its factorization.

80764155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 80764155 is about 8986.8879485615. The cubic root of 80764155 is about 432.2545278615.

The spelling of 80764155 in words is "eighty million, seven hundred sixty-four thousand, one hundred fifty-five".