89878773908 has 36 divisors (see below), whose sum is σ = 199600918272. Its totient is φ = 35017703280.

The previous prime is 89878773857. The next prime is 89878773911. The reversal of 89878773908 is 80937787898.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20841716 + ... + 20846027.

It is an arithmetic number, because the mean of its divisors is an integer number (5544469952).

Almost surely, 2^89878773908 is an apocalyptic number.

It is an amenable number.

89878773908 is an abundant number, since it is smaller than the sum of its proper divisors (109722144364).

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

89878773908 is a wasteful number, since it uses less digits than its factorization.

89878773908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41687772 (or 41687763 counting only the distinct ones).

The product of its (nonzero) digits is 341397504, while the sum is 74.

The spelling of 89878773908 in words is "eighty-nine billion, eight hundred seventy-eight million, seven hundred seventy-three thousand, nine hundred eight".