86746064769 has 48 divisors (see below), whose sum is σ = 158383260672. Its totient is φ = 44519497344.

The previous prime is 86746064767. The next prime is 86746064803. The reversal of 86746064769 is 96746064768.

It is not a de Polignac number, because 86746064769 - 2¹ = 86746064767 is a prime.

It is a super-2 number, since 2×86746064769² (a number of 23 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (86746064767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1401009 + ... + 1461614.

It is an arithmetic number, because the mean of its divisors is an integer number (3299651264).

Almost surely, 2^86746064769 is an apocalyptic number.

It is an amenable number.

86746064769 is a deficient number, since it is larger than the sum of its proper divisors (71637195903).

86746064769 is a wasteful number, since it uses less digits than its factorization.

86746064769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2862686 (or 2862683 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 63.

Subtracting 86746064769 from its reverse (96746064768), we obtain a palindrome (9999999999).

The spelling of 86746064769 in words is "eighty-six billion, seven hundred forty-six million, sixty-four thousand, seven hundred sixty-nine".