83904445458 has 16 divisors (see below), whose sum is σ = 186454323360. Its totient is φ = 27968148468.

The previous prime is 83904445453. The next prime is 83904445507. The reversal of 83904445458 is 85454440938.

83904445458 is a `hidden beast` number, since 8 + 3 + 90 + 4 + 4 + 4 + 545 + 8 = 666.

It is a super-2 number, since 2×83904445458² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 1553786027 = 83904445458 / (8 + 3 + 9 + 0 + 4 + 4 + 4 + 5 + 4 + 5 + 8).

It is not an unprimeable number, because it can be changed into a prime (83904445453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 776892960 + ... + 776893067.

It is an arithmetic number, because the mean of its divisors is an integer number (11653395210).

Almost surely, 2^83904445458 is an apocalyptic number.

83904445458 is an abundant number, since it is smaller than the sum of its proper divisors (102549877902).

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

83904445458 is a wasteful number, since it uses less digits than its factorization.

83904445458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553786038 (or 1553786032 counting only the distinct ones).

The product of its (nonzero) digits is 11059200, while the sum is 54.

The spelling of 83904445458 in words is "eighty-three billion, nine hundred four million, four hundred forty-five thousand, four hundred fifty-eight".