80522691 has 4 divisors (see below), whose sum is σ = 107363592. Its totient is φ = 53681792.

The previous prime is 80522683. The next prime is 80522711. The reversal of 80522691 is 19622508.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80522691 - 2³ = 80522683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80522621) 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, 13420446 + ... + 13420451.

It is an arithmetic number, because the mean of its divisors is an integer number (26840898).

Almost surely, 2^80522691 is an apocalyptic number.

80522691 is a deficient number, since it is larger than the sum of its proper divisors (26840901).

80522691 is a wasteful number, since it uses less digits than its factorization.

80522691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26840900.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 80522691 is about 8973.4436533585. The cubic root of 80522691 is about 431.8233213135.

The spelling of 80522691 in words is "eighty million, five hundred twenty-two thousand, six hundred ninety-one".