75897671408 has 160 divisors (see below), whose sum is σ = 165010063680. Its totient is φ = 33598955520.

The previous prime is 75897671389. The next prime is 75897671413. The reversal of 75897671408 is 80417679857.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99733748 + ... + 99734508.

It is an arithmetic number, because the mean of its divisors is an integer number (1031312898).

Almost surely, 2^75897671408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75897671408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82505031840).

75897671408 is an abundant number, since it is smaller than the sum of its proper divisors (89112392272).

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

75897671408 is a wasteful number, since it uses less digits than its factorization.

75897671408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027 (or 1021 counting only the distinct ones).

The product of its (nonzero) digits is 23708160, while the sum is 62.

The spelling of 75897671408 in words is "seventy-five billion, eight hundred ninety-seven million, six hundred seventy-one thousand, four hundred eight".