83770297118 has 4 divisors (see below), whose sum is σ = 125655445680. Its totient is φ = 41885148558.

The previous prime is 83770297097. The next prime is 83770297123. The reversal of 83770297118 is 81179207738.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 83770297118.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20942574278 + ... + 20942574281.

It is an arithmetic number, because the mean of its divisors is an integer number (31413861420).

Almost surely, 2^83770297118 is an apocalyptic number.

83770297118 is a deficient number, since it is larger than the sum of its proper divisors (41885148562).

83770297118 is a wasteful number, since it uses less digits than its factorization.

83770297118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41885148561.

The product of its (nonzero) digits is 1185408, while the sum is 53.

The spelling of 83770297118 in words is "eighty-three billion, seven hundred seventy million, two hundred ninety-seven thousand, one hundred eighteen".