86767476705 has 48 divisors (see below), whose sum is σ = 185103959040. Its totient is φ = 36613966464.

The previous prime is 86767476667. The next prime is 86767476721. The reversal of 86767476705 is 50767476768.

It is a happy number.

It is not a de Polignac number, because 86767476705 - 2¹¹ = 86767474657 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10590225 + ... + 10598414.

It is an arithmetic number, because the mean of its divisors is an integer number (3856332480).

Almost surely, 2^86767476705 is an apocalyptic number.

It is an amenable number.

86767476705 is an abundant number, since it is smaller than the sum of its proper divisors (98336482335).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86767476705 is a wasteful number, since it uses less digits than its factorization.

86767476705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21188670 (or 21188667 counting only the distinct ones).

The product of its (nonzero) digits is 82978560, while the sum is 63.

Adding to 86767476705 its sum of digits (63), we get a palindrome (86767476768).

The spelling of 86767476705 in words is "eighty-six billion, seven hundred sixty-seven million, four hundred seventy-six thousand, seven hundred five".