97118439 has 16 divisors (see below), whose sum is σ = 141989760. Its totient is φ = 58556960.

The previous prime is 97118431. The next prime is 97118479. The reversal of 97118439 is 93481179.

It is a happy number.

It is not a de Polignac number, because 97118439 - 2³ = 97118431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97118439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97118431) 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, 969 + ... + 13970.

It is an arithmetic number, because the mean of its divisors is an integer number (8874360).

Almost surely, 2^97118439 is an apocalyptic number.

97118439 is a deficient number, since it is larger than the sum of its proper divisors (44871321).

97118439 is a wasteful number, since it uses less digits than its factorization.

97118439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15150.

The product of its digits is 54432, while the sum is 42.

The square root of 97118439 is about 9854.8687966913. The cubic root of 97118439 is about 459.6570206431.

The spelling of 97118439 in words is "ninety-seven million, one hundred eighteen thousand, four hundred thirty-nine".