83888379464 has 16 divisors (see below), whose sum is σ = 157311304620. Its totient is φ = 41938698240.

The previous prime is 83888379437. The next prime is 83888379493. The reversal of 83888379464 is 46497388838.

It can be written as a sum of positive squares in 2 ways, for example, as 82517158564 + 1371220900 = 287258^2 + 37030^2 .

It is a junction number, because it is equal to n+sod(n) for n = 83888379394 and 83888379403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 621149 + ... + 744044.

Almost surely, 2^83888379464 is an apocalyptic number.

It is an amenable number.

83888379464 is a deficient number, since it is larger than the sum of its proper divisors (73422925156).

83888379464 is a wasteful number, since it uses less digits than its factorization.

83888379464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372880 (or 1372876 counting only the distinct ones).

The product of its digits is 222953472, while the sum is 68.

The spelling of 83888379464 in words is "eighty-three billion, eight hundred eighty-eight million, three hundred seventy-nine thousand, four hundred sixty-four".