80772507 has 6 divisors (see below), whose sum is σ = 116671412. Its totient is φ = 53848332.

The previous prime is 80772469. The next prime is 80772521. The reversal of 80772507 is 70527708.

80772507 is a `hidden beast` number, since 80 + 7 + 72 + 507 = 666.

It is not a de Polignac number, because 80772507 - 2¹⁸ = 80510363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80772547) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4487353 + ... + 4487370.

Almost surely, 2^80772507 is an apocalyptic number.

80772507 is a deficient number, since it is larger than the sum of its proper divisors (35898905).

80772507 is a wasteful number, since it uses less digits than its factorization.

80772507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8974729 (or 8974726 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 36.

The square root of 80772507 is about 8987.3526135342. The cubic root of 80772507 is about 432.2694274804.

The spelling of 80772507 in words is "eighty million, seven hundred seventy-two thousand, five hundred seven".