97399709 has 8 divisors (see below), whose sum is σ = 107840928. Its totient is φ = 87222960.

The previous prime is 97399699. The next prime is 97399721. The reversal of 97399709 is 90799379.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-97399709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97399759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65342 + ... + 66815.

It is an arithmetic number, because the mean of its divisors is an integer number (13480116).

Almost surely, 2^97399709 is an apocalyptic number.

It is an amenable number.

97399709 is a deficient number, since it is larger than the sum of its proper divisors (10441219).

97399709 is a wasteful number, since it uses less digits than its factorization.

97399709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132235.

The product of its (nonzero) digits is 964467, while the sum is 53.

The square root of 97399709 is about 9869.1290902490. The cubic root of 97399709 is about 460.1003388552.

The spelling of 97399709 in words is "ninety-seven million, three hundred ninety-nine thousand, seven hundred nine".