80852691 has 4 divisors (see below), whose sum is σ = 107803592. Its totient is φ = 53901792.

The previous prime is 80852677. The next prime is 80852693. The reversal of 80852691 is 19625808.

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

It is not a de Polignac number, because 80852691 - 2¹⁸ = 80590547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80852693) 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, 13475446 + ... + 13475451.

It is an arithmetic number, because the mean of its divisors is an integer number (26950898).

Almost surely, 2^80852691 is an apocalyptic number.

80852691 is a deficient number, since it is larger than the sum of its proper divisors (26950901).

80852691 is a wasteful number, since it uses less digits than its factorization.

80852691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26950900.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 80852691 is about 8991.8124424390. The cubic root of 80852691 is about 432.4124201473.

The spelling of 80852691 in words is "eighty million, eight hundred fifty-two thousand, six hundred ninety-one".