97534687 has 2 divisors, whose sum is σ = 97534688. Its totient is φ = 97534686.

The previous prime is 97534663. The next prime is 97534693. The reversal of 97534687 is 78643579.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97534687 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97534687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97535687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48767343 + 48767344.

It is an arithmetic number, because the mean of its divisors is an integer number (48767344).

Almost surely, 2^97534687 is an apocalyptic number.

97534687 is a deficient number, since it is larger than the sum of its proper divisors (1).

97534687 is an equidigital number, since it uses as much as digits as its factorization.

97534687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 49.

The square root of 97534687 is about 9875.9651173949. The cubic root of 97534687 is about 460.3127787701.

The spelling of 97534687 in words is "ninety-seven million, five hundred thirty-four thousand, six hundred eighty-seven".