86625751 has 8 divisors (see below), whose sum is σ = 91666944. Its totient is φ = 81690840.

The previous prime is 86625733. The next prime is 86625757. The reversal of 86625751 is 15752668.

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 86625751 - 2⁹ = 86625239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86625757) 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, 24891 + ... + 28156.

It is an arithmetic number, because the mean of its divisors is an integer number (11458368).

Almost surely, 2^86625751 is an apocalyptic number.

86625751 is a deficient number, since it is larger than the sum of its proper divisors (5041193).

86625751 is a wasteful number, since it uses less digits than its factorization.

86625751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53141.

The product of its digits is 100800, while the sum is 40.

The square root of 86625751 is about 9307.2955792754. The cubic root of 86625751 is about 442.4684791404.

The spelling of 86625751 in words is "eighty-six million, six hundred twenty-five thousand, seven hundred fifty-one".