89123078012004 has 81 divisors (see below), whose sum is σ = 225644299728211. Its totient is φ = 29660169183600.

The previous prime is 89123078011939. The next prime is 89123078012027. The reversal of 89123078012004 is 40021087032198.

It is a happy number.

The square root of 89123078012004 is 9440502.

It is a perfect power (a square), and thus also a powerful number.

It is a super-3 number, since 3×89123078012004³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 65196106129 + ... + 65196107495.

Almost surely, 2^{89123078012004} is an apocalyptic number.

89123078012004 is the 9440502-nd square number.

It is an amenable number.

89123078012004 is an abundant number, since it is smaller than the sum of its proper divisors (136521221716207).

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

89123078012004 is an equidigital number, since it uses as much as digits as its factorization.

89123078012004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5046 (or 2523 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 89123078012004 in words is "eighty-nine trillion, one hundred twenty-three billion, seventy-eight million, twelve thousand, four".