94379137840 has 80 divisors (see below), whose sum is σ = 236518799328. Its totient is φ = 34817015808.

The previous prime is 94379137837. The next prime is 94379137843. The reversal of 94379137840 is 4873197349.

It is an interprime number because it is at equal distance from previous prime (94379137837) and next prime (94379137843).

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (94379137843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1159767 + ... + 1238473.

Almost surely, 2^94379137840 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 94379137840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118259399664).

94379137840 is an abundant number, since it is smaller than the sum of its proper divisors (142139661488).

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

94379137840 is a wasteful number, since it uses less digits than its factorization.

94379137840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79886 (or 79880 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 55.

The spelling of 94379137840 in words is "ninety-four billion, three hundred seventy-nine million, one hundred thirty-seven thousand, eight hundred forty".