97614809 has 6 divisors (see below), whose sum is σ = 100060506. Its totient is φ = 95172240.

The previous prime is 97614791. The next prime is 97614821. The reversal of 97614809 is 90841679.

It can be written as a sum of positive squares in only one way, i.e., 59521225 + 38093584 = 7715^2 + 6172^2 .

It is a de Polignac number, because none of the positive numbers 2^k-97614809 is a prime.

It is a super-2 number, since 2×97614809² = 19057301872212962, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97614809.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97614509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62492 + ... + 64034.

It is an arithmetic number, because the mean of its divisors is an integer number (16676751).

Almost surely, 2^97614809 is an apocalyptic number.

It is an amenable number.

97614809 is a deficient number, since it is larger than the sum of its proper divisors (2445697).

97614809 is an frugal number, since it uses more digits than its factorization.

97614809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3127 (or 1584 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 97614809 is about 9880.0206983589. The cubic root of 97614809 is about 460.4387889354.

The spelling of 97614809 in words is "ninety-seven million, six hundred fourteen thousand, eight hundred nine".