97349279 has 4 divisors (see below), whose sum is σ = 97369200. Its totient is φ = 97329360.

The previous prime is 97349249. The next prime is 97349303. The reversal of 97349279 is 97294379.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97349279 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 (97349249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2939 + ... + 14259.

It is an arithmetic number, because the mean of its divisors is an integer number (24342300).

Almost surely, 2^97349279 is an apocalyptic number.

97349279 is a deficient number, since it is larger than the sum of its proper divisors (19921).

97349279 is a wasteful number, since it uses less digits than its factorization.

97349279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19920.

The product of its digits is 857304, while the sum is 50.

The square root of 97349279 is about 9866.5738227614. The cubic root of 97349279 is about 460.0209174483.

The spelling of 97349279 in words is "ninety-seven million, three hundred forty-nine thousand, two hundred seventy-nine".