89018949810 has 64 divisors (see below), whose sum is σ = 244193543424. Its totient is φ = 20344915200.

The previous prime is 89018949809. The next prime is 89018949839. The reversal of 89018949810 is 1894981098.

It is a super-2 number, since 2×89018949810² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between even and odd.

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, 2498320 + ... + 2533700.

It is an arithmetic number, because the mean of its divisors is an integer number (3815524116).

Almost surely, 2^89018949810 is an apocalyptic number.

89018949810 is an abundant number, since it is smaller than the sum of its proper divisors (155174593614).

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

89018949810 is a wasteful number, since it uses less digits than its factorization.

89018949810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47379.

The product of its (nonzero) digits is 1492992, while the sum is 57.

The spelling of 89018949810 in words is "eighty-nine billion, eighteen million, nine hundred forty-nine thousand, eight hundred ten".