86755623031 has 24 divisors (see below), whose sum is σ = 116570483856. Its totient is φ = 63625201920.

The previous prime is 86755623029. The next prime is 86755623041. The reversal of 86755623031 is 13032655768.

It is not a de Polignac number, because 86755623031 - 2¹ = 86755623029 is a prime.

It is a super-2 number, since 2×86755623031² (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 (86755623011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4724856 + ... + 4743181.

It is an arithmetic number, because the mean of its divisors is an integer number (4857103494).

Almost surely, 2^86755623031 is an apocalyptic number.

86755623031 is a deficient number, since it is larger than the sum of its proper divisors (29814860825).

86755623031 is a wasteful number, since it uses less digits than its factorization.

86755623031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9468079 (or 9468072 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 86755623031 in words is "eighty-six billion, seven hundred fifty-five million, six hundred twenty-three thousand, thirty-one".