86810051 has 8 divisors (see below), whose sum is σ = 87945984. Its totient is φ = 85681800.

The previous prime is 86810023. The next prime is 86810057. The reversal of 86810051 is 15001868.

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

It is a cyclic number.

It is not a de Polignac number, because 86810051 - 2¹⁰ = 86809027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86809996 and 86810023.

It is not an unprimeable number, because it can be changed into a prime (86810057) 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, 22850 + ... + 26376.

It is an arithmetic number, because the mean of its divisors is an integer number (10993248).

Almost surely, 2^86810051 is an apocalyptic number.

86810051 is a deficient number, since it is larger than the sum of its proper divisors (1135933).

86810051 is a wasteful number, since it uses less digits than its factorization.

86810051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3841.

The product of its (nonzero) digits is 1920, while the sum is 29.

The square root of 86810051 is about 9317.1911539906. The cubic root of 86810051 is about 442.7820470902.

The spelling of 86810051 in words is "eighty-six million, eight hundred ten thousand, fifty-one".