83078954016 has 48 divisors (see below), whose sum is σ = 218264141088. Its totient is φ = 27669888000.

The previous prime is 83078954009. The next prime is 83078954033. The reversal of 83078954016 is 61045987038.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×83078954016² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 83078954016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244990 + ... + 475581.

It is an arithmetic number, because the mean of its divisors is an integer number (4547169606).

Almost surely, 2^83078954016 is an apocalyptic number.

It is an amenable number.

83078954016 is an abundant number, since it is smaller than the sum of its proper divisors (135185187072).

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

83078954016 is a wasteful number, since it uses less digits than its factorization.

83078954016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721785 (or 721777 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 83078954016 in words is "eighty-three billion, seventy-eight million, nine hundred fifty-four thousand, sixteen".