86859515951 has 8 divisors (see below), whose sum is σ = 95074477344. Its totient is φ = 78863620320.

The previous prime is 86859515921. The next prime is 86859515957. The reversal of 86859515951 is 15951595868.

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 86859515951 - 2⁶ = 86859515887 is a prime.

It is a super-2 number, since 2×86859515951² (a number of 23 digits) 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 (86859515957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54765611 + ... + 54767196.

It is an arithmetic number, because the mean of its divisors is an integer number (11884309668).

Almost surely, 2^86859515951 is an apocalyptic number.

86859515951 is a deficient number, since it is larger than the sum of its proper divisors (8214961393).

86859515951 is a wasteful number, since it uses less digits than its factorization.

86859515951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109532881.

The product of its digits is 19440000, while the sum is 62.

The spelling of 86859515951 in words is "eighty-six billion, eight hundred fifty-nine million, five hundred fifteen thousand, nine hundred fifty-one".