97624885889 has 2 divisors, whose sum is σ = 97624885890. Its totient is φ = 97624885888.

The previous prime is 97624885879. The next prime is 97624885901. The reversal of 97624885889 is 98858842679.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80871984400 + 16752901489 = 284380^2 + 129433^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97624885889 is a prime.

It is not a weakly prime, because it can be changed into another prime (97624885849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48812442944 + 48812442945.

It is an arithmetic number, because the mean of its divisors is an integer number (48812442945).

Almost surely, 2^97624885889 is an apocalyptic number.

It is an amenable number.

97624885889 is a deficient number, since it is larger than the sum of its proper divisors (1).

97624885889 is an equidigital number, since it uses as much as digits as its factorization.

97624885889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 557383680, while the sum is 74.

The spelling of 97624885889 in words is "ninety-seven billion, six hundred twenty-four million, eight hundred eighty-five thousand, eight hundred eighty-nine".