83398380734 has 16 divisors (see below), whose sum is σ = 132462420768. Its totient is φ = 39244468992.

The previous prime is 83398380697. The next prime is 83398380749. The reversal of 83398380734 is 43708389338.

It is a self number, because there is not a number n which added to its sum of digits gives 83398380734.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 931754 + ... + 1017330.

It is an arithmetic number, because the mean of its divisors is an integer number (8278901298).

Almost surely, 2^83398380734 is an apocalyptic number.

83398380734 is a deficient number, since it is larger than the sum of its proper divisors (49064040034).

83398380734 is a wasteful number, since it uses less digits than its factorization.

83398380734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114259.

The product of its (nonzero) digits is 10450944, while the sum is 56.

The spelling of 83398380734 in words is "eighty-three billion, three hundred ninety-eight million, three hundred eighty thousand, seven hundred thirty-four".