97129437 has 16 divisors (see below), whose sum is σ = 135364608. Its totient is φ = 61833200.

The previous prime is 97129433. The next prime is 97129469. The reversal of 97129437 is 73492179.

It is not a de Polignac number, because 97129437 - 2² = 97129433 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97129433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78808 + ... + 80030.

It is an arithmetic number, because the mean of its divisors is an integer number (8460288).

Almost surely, 2^97129437 is an apocalyptic number.

It is an amenable number.

97129437 is a deficient number, since it is larger than the sum of its proper divisors (38235171).

97129437 is a wasteful number, since it uses less digits than its factorization.

97129437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2400.

The product of its digits is 95256, while the sum is 42.

The square root of 97129437 is about 9855.4267791912. The cubic root of 97129437 is about 459.6743709944.

The spelling of 97129437 in words is "ninety-seven million, one hundred twenty-nine thousand, four hundred thirty-seven".