83458377385438 has 24 divisors (see below), whose sum is σ = 137604021158520. Its totient is φ = 37935306486000.

The previous prime is 83458377385417. The next prime is 83458377385451.

83458377385438 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28614613 + ... + 31396063.

It is an arithmetic number, because the mean of its divisors is an integer number (5733500881605).

Almost surely, 2^{83458377385438} is an apocalyptic number.

83458377385438 is a deficient number, since it is larger than the sum of its proper divisors (54145643773082).

83458377385438 is a wasteful number, since it uses less digits than its factorization.

83458377385438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2905464 (or 2905453 counting only the distinct ones).

The product of its digits is 6502809600, while the sum is 76.

The spelling of 83458377385438 in words is "eighty-three trillion, four hundred fifty-eight billion, three hundred seventy-seven million, three hundred eighty-five thousand, four hundred thirty-eight".