97900037 has 2 divisors, whose sum is σ = 97900038. Its totient is φ = 97900036.

The previous prime is 97900031. The next prime is 97900069. The reversal of 97900037 is 73000979.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96805921 + 1094116 = 9839^2 + 1046^2 .

It is a cyclic number.

It is not a de Polignac number, because 97900037 - 2⁴ = 97900021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97900031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48950018 + 48950019.

It is an arithmetic number, because the mean of its divisors is an integer number (48950019).

Almost surely, 2^97900037 is an apocalyptic number.

It is an amenable number.

97900037 is a deficient number, since it is larger than the sum of its proper divisors (1).

97900037 is an equidigital number, since it uses as much as digits as its factorization.

97900037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11907, while the sum is 35.

The square root of 97900037 is about 9894.4447545075. Note that the first 3 decimals coincide. The cubic root of 97900037 is about 460.8868163373.

The spelling of 97900037 in words is "ninety-seven million, nine hundred thousand, thirty-seven".