76389861894 has 16 divisors (see below), whose sum is σ = 156908905968. Its totient is φ = 24775090272.

The previous prime is 76389861887. The next prime is 76389861923. The reversal of 76389861894 is 49816898367.

It is a super-2 number, since 2×76389861894² (a number of 23 digits) contains 22 as substring.

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, 172049017 + ... + 172049460.

It is an arithmetic number, because the mean of its divisors is an integer number (9806806623).

Almost surely, 2^76389861894 is an apocalyptic number.

76389861894 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

76389861894 is an abundant number, since it is smaller than the sum of its proper divisors (80519044074).

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

76389861894 is a wasteful number, since it uses less digits than its factorization.

76389861894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344098519.

The product of its digits is 125411328, while the sum is 69.

The spelling of 76389861894 in words is "seventy-six billion, three hundred eighty-nine million, eight hundred sixty-one thousand, eight hundred ninety-four".