97031094637 has 2 divisors, whose sum is σ = 97031094638. Its totient is φ = 97031094636.

The previous prime is 97031094617. The next prime is 97031094647. The reversal of 97031094637 is 73649013079.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75223484361 + 21807610276 = 274269^2 + 147674^2 .

It is a cyclic number.

It is not a de Polignac number, because 97031094637 - 2³⁵ = 62671356269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97031094617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48515547318 + 48515547319.

It is an arithmetic number, because the mean of its divisors is an integer number (48515547319).

Almost surely, 2^97031094637 is an apocalyptic number.

It is an amenable number.

97031094637 is a deficient number, since it is larger than the sum of its proper divisors (1).

97031094637 is an equidigital number, since it uses as much as digits as its factorization.

97031094637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 857304, while the sum is 49.

The spelling of 97031094637 in words is "ninety-seven billion, thirty-one million, ninety-four thousand, six hundred thirty-seven".