97431759 has 6 divisors (see below), whose sum is σ = 140734776. Its totient is φ = 64954500.

The previous prime is 97431707. The next prime is 97431773. The reversal of 97431759 is 95713479.

It is not a de Polignac number, because 97431759 - 2¹¹ = 97429711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97431559) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5412867 + ... + 5412884.

It is an arithmetic number, because the mean of its divisors is an integer number (23455796).

Almost surely, 2^97431759 is an apocalyptic number.

97431759 is a deficient number, since it is larger than the sum of its proper divisors (43303017).

97431759 is a wasteful number, since it uses less digits than its factorization.

97431759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10825757 (or 10825754 counting only the distinct ones).

The product of its digits is 238140, while the sum is 45.

The square root of 97431759 is about 9870.7527068608. The cubic root of 97431759 is about 460.1507996450.

The spelling of 97431759 in words is "ninety-seven million, four hundred thirty-one thousand, seven hundred fifty-nine".