86825408443251 has 16 divisors (see below), whose sum is σ = 116895873878784. Its totient is φ = 57319319598624.

The previous prime is 86825408443247. The next prime is 86825408443253. The reversal of 86825408443251 is 15234480452868.

It is not a de Polignac number, because 86825408443251 - 2² = 86825408443247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86825408443253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2039440 + ... + 13334546.

It is an arithmetic number, because the mean of its divisors is an integer number (7305992117424).

Almost surely, 2^{86825408443251} is an apocalyptic number.

86825408443251 is a deficient number, since it is larger than the sum of its proper divisors (30070465435533).

86825408443251 is a wasteful number, since it uses less digits than its factorization.

86825408443251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11320090.

The product of its (nonzero) digits is 58982400, while the sum is 60.

The spelling of 86825408443251 in words is "eighty-six trillion, eight hundred twenty-five billion, four hundred eight million, four hundred forty-three thousand, two hundred fifty-one".