97874613 has 6 divisors (see below), whose sum is σ = 141374454. Its totient is φ = 65249736.

The previous prime is 97874597. The next prime is 97874663. The reversal of 97874613 is 31647879.

It can be written as a sum of positive squares in only one way, i.e., 57653649 + 40220964 = 7593^2 + 6342^2 .

It is not a de Polignac number, because 97874613 - 2⁴ = 97874597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97874663) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5437470 + ... + 5437487.

It is an arithmetic number, because the mean of its divisors is an integer number (23562409).

Almost surely, 2^97874613 is an apocalyptic number.

It is an amenable number.

97874613 is a deficient number, since it is larger than the sum of its proper divisors (43499841).

97874613 is a wasteful number, since it uses less digits than its factorization.

97874613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10874963 (or 10874960 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 97874613 is about 9893.1599097558. The cubic root of 97874613 is about 460.8469164515.

It can be divided in two parts, 9787 and 4613, that added together give a square (14400 = 120²).

The spelling of 97874613 in words is "ninety-seven million, eight hundred seventy-four thousand, six hundred thirteen".