80913877 has 8 divisors (see below), whose sum is σ = 89717472. Its totient is φ = 72351600.

The previous prime is 80913851. The next prime is 80913887. The reversal of 80913877 is 77831908.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80913877 is a prime.

It is a super-2 number, since 2×80913877² = 13094110982342258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80913817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59623 + ... + 60964.

It is an arithmetic number, because the mean of its divisors is an integer number (11214684).

Almost surely, 2^80913877 is an apocalyptic number.

It is an amenable number.

80913877 is a deficient number, since it is larger than the sum of its proper divisors (8803595).

80913877 is a wasteful number, since it uses less digits than its factorization.

80913877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120659.

The product of its (nonzero) digits is 84672, while the sum is 43.

The square root of 80913877 is about 8995.2141164066. The cubic root of 80913877 is about 432.5214699712.

The spelling of 80913877 in words is "eighty million, nine hundred thirteen thousand, eight hundred seventy-seven".