94408778985 has 32 divisors (see below), whose sum is σ = 153156286848. Its totient is φ = 49650900480.

The previous prime is 94408778939. The next prime is 94408778987. The reversal of 94408778985 is 58987780449.

It is not a de Polignac number, because 94408778985 - 2⁶ = 94408778921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (94408778987) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9785574 + ... + 9795216.

It is an arithmetic number, because the mean of its divisors is an integer number (4786133964).

Almost surely, 2^94408778985 is an apocalyptic number.

It is an amenable number.

94408778985 is a deficient number, since it is larger than the sum of its proper divisors (58747507863).

94408778985 is a wasteful number, since it uses less digits than its factorization.

94408778985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18665.

The product of its (nonzero) digits is 162570240, while the sum is 69.

The spelling of 94408778985 in words is "ninety-four billion, four hundred eight million, seven hundred seventy-eight thousand, nine hundred eighty-five".