89968418078 has 128 divisors (see below), whose sum is σ = 175575859200. Its totient is φ = 33570028800.

The previous prime is 89968418063. The next prime is 89968418123. The reversal of 89968418078 is 87081486998.

It is a junction number, because it is equal to n+sod(n) for n = 89968417999 and 89968418017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 57413651 + ... + 57415217.

It is an arithmetic number, because the mean of its divisors is an integer number (1371686400).

Almost surely, 2^89968418078 is an apocalyptic number.

89968418078 is a deficient number, since it is larger than the sum of its proper divisors (85607441122).

89968418078 is a wasteful number, since it uses less digits than its factorization.

89968418078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1806.

The product of its (nonzero) digits is 55738368, while the sum is 68.

The spelling of 89968418078 in words is "eighty-nine billion, nine hundred sixty-eight million, four hundred eighteen thousand, seventy-eight".