94978663140 has 96 divisors (see below), whose sum is σ = 272142581760. Its totient is φ = 24739106176.

The previous prime is 94978663127. The next prime is 94978663151. The reversal of 94978663140 is 4136687949.

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, 1384981 + ... + 1451939.

It is an arithmetic number, because the mean of its divisors is an integer number (2834818560).

Almost surely, 2^94978663140 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 94978663140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136071290880).

94978663140 is an abundant number, since it is smaller than the sum of its proper divisors (177163918620).

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

94978663140 is a wasteful number, since it uses less digits than its factorization.

94978663140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67521 (or 67519 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 57.

The spelling of 94978663140 in words is "ninety-four billion, nine hundred seventy-eight million, six hundred sixty-three thousand, one hundred forty".