97623546472989 has 64 divisors (see below), whose sum is σ = 150923054940160. Its totient is φ = 62298199656000.

The previous prime is 97623546472973. The next prime is 97623546473021. The reversal of 97623546472989 is 98927464532679.

97623546472989 is a `hidden beast` number, since 9 + 7 + 6 + 2 + 3 + 5 + 464 + 72 + 9 + 89 = 666.

It is not a de Polignac number, because 97623546472989 - 2⁴ = 97623546472973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97623546472789) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33797679 + ... + 36572259.

It is an arithmetic number, because the mean of its divisors is an integer number (2358172733440).

Almost surely, 2^{97623546472989} is an apocalyptic number.

It is an amenable number.

97623546472989 is a deficient number, since it is larger than the sum of its proper divisors (53299508467171).

97623546472989 is a wasteful number, since it uses less digits than its factorization.

97623546472989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2775079 (or 2775073 counting only the distinct ones).

The product of its digits is 9876142080, while the sum is 81.

The spelling of 97623546472989 in words is "ninety-seven trillion, six hundred twenty-three billion, five hundred forty-six million, four hundred seventy-two thousand, nine hundred eighty-nine".