83438103857356 has 12 divisors (see below), whose sum is σ = 152365233130992. Its totient is φ = 39905180105648.

The previous prime is 83438103857347. The next prime is 83438103857401. The reversal of 83438103857356 is 65375830183438.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453467955655 + ... + 453467955838.

It is an arithmetic number, because the mean of its divisors is an integer number (12697102760916).

Almost surely, 2^{83438103857356} is an apocalyptic number.

It is an amenable number.

83438103857356 is a deficient number, since it is larger than the sum of its proper divisors (68927129273636).

83438103857356 is a wasteful number, since it uses less digits than its factorization.

83438103857356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906935911520 (or 906935911518 counting only the distinct ones).

The product of its (nonzero) digits is 174182400, while the sum is 64.

The spelling of 83438103857356 in words is "eighty-three trillion, four hundred thirty-eight billion, one hundred three million, eight hundred fifty-seven thousand, three hundred fifty-six".