86877057 has 4 divisors (see below), whose sum is σ = 115836080. Its totient is φ = 57918036.

The previous prime is 86876989. The next prime is 86877059. The reversal of 86877057 is 75077868.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 86877057 - 2¹⁰ = 86876033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86876997 and 86877015.

It is not an unprimeable number, because it can be changed into a prime (86877059) 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, 14479507 + ... + 14479512.

It is an arithmetic number, because the mean of its divisors is an integer number (28959020).

Almost surely, 2^86877057 is an apocalyptic number.

It is an amenable number.

86877057 is a deficient number, since it is larger than the sum of its proper divisors (28959023).

86877057 is a wasteful number, since it uses less digits than its factorization.

86877057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28959022.

The product of its (nonzero) digits is 658560, while the sum is 48.

The square root of 86877057 is about 9320.7862865748. The cubic root of 86877057 is about 442.8959410585.

The spelling of 86877057 in words is "eighty-six million, eight hundred seventy-seven thousand, fifty-seven".