94778880 has 320 divisors, whose sum is σ = 362976768. Its totient is φ = 20643840.

The previous prime is 94778857. The next prime is 94778903. The reversal of 94778880 is 8887749.

It is an interprime number because it is at equal distance from previous prime (94778857) and next prime (94778903).

It is a tau number, because it is divible by the number of its divisors (320).

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, 2204139 + ... + 2204181.

Almost surely, 2^94778880 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 94778880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181488384).

94778880 is an abundant number, since it is smaller than the sum of its proper divisors (268197888).

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

94778880 is a wasteful number, since it uses less digits than its factorization.

94778880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 51.

The square root of 94778880 is about 9735.4445198974. Note that the first 3 decimals coincide. The cubic root of 94778880 is about 455.9359713115.

The spelling of 94778880 in words is "ninety-four million, seven hundred seventy-eight thousand, eight hundred eighty".