83387956312 has 8 divisors (see below), whose sum is σ = 156352418100. Its totient is φ = 41693978152.

The previous prime is 83387956303. The next prime is 83387956343. The reversal of 83387956312 is 21365978338.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5211747262 + ... + 5211747277.

Almost surely, 2^83387956312 is an apocalyptic number.

It is an amenable number.

83387956312 is a deficient number, since it is larger than the sum of its proper divisors (72964461788).

83387956312 is a wasteful number, since it uses less digits than its factorization.

83387956312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10423494545 (or 10423494541 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 55.

The spelling of 83387956312 in words is "eighty-three billion, three hundred eighty-seven million, nine hundred fifty-six thousand, three hundred twelve".