89720626663476 has 36 divisors (see below), whose sum is σ = 226794636578692. Its totient is φ = 29906766065664.

The previous prime is 89720626663471. The next prime is 89720626663489. The reversal of 89720626663476 is 67436662602798.

It can be written as a sum of positive squares in 2 ways, for example, as 22334981480100 + 67385645183376 = 4725990^2 + 8208876^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89720626663471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5725746 + ... + 14567958.

Almost surely, 2^{89720626663476} is an apocalyptic number.

It is an amenable number.

89720626663476 is an abundant number, since it is smaller than the sum of its proper divisors (137074009915216).

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

89720626663476 is a wasteful number, since it uses less digits than its factorization.

89720626663476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9124080 (or 9124075 counting only the distinct ones).

The product of its (nonzero) digits is 1316818944, while the sum is 72.

The spelling of 89720626663476 in words is "eighty-nine trillion, seven hundred twenty billion, six hundred twenty-six million, six hundred sixty-three thousand, four hundred seventy-six".