80567697 has 16 divisors (see below), whose sum is σ = 123132800. Its totient is φ = 45902592.

The previous prime is 80567693. The next prime is 80567723. The reversal of 80567697 is 79676508.

It is not a de Polignac number, because 80567697 - 2² = 80567693 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (80567693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1833 + ... + 12825.

It is an arithmetic number, because the mean of its divisors is an integer number (7695800).

Almost surely, 2^80567697 is an apocalyptic number.

80567697 is the 7329-th pentagonal number.

It is an amenable number.

80567697 is a deficient number, since it is larger than the sum of its proper divisors (42565103).

80567697 is a wasteful number, since it uses less digits than its factorization.

80567697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11352.

The product of its (nonzero) digits is 635040, while the sum is 48.

The square root of 80567697 is about 8975.9510359627. The cubic root of 80567697 is about 431.9037583532.

It can be divided in two parts, 8056 and 7697, that added together give a triangular number (15753 = T₁₇₇).

The spelling of 80567697 in words is "eighty million, five hundred sixty-seven thousand, six hundred ninety-seven".