97874751 has 16 divisors (see below), whose sum is σ = 143808896. Its totient is φ = 58828896.

The previous prime is 97874741. The next prime is 97874753. The reversal of 97874751 is 15747879.

It is a de Polignac number, because none of the positive numbers 2^k-97874751 is a prime.

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 97874751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97874753) 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, 27505 + ... + 30858.

It is an arithmetic number, because the mean of its divisors is an integer number (8988056).

Almost surely, 2^97874751 is an apocalyptic number.

97874751 is a deficient number, since it is larger than the sum of its proper divisors (45934145).

97874751 is a wasteful number, since it uses less digits than its factorization.

97874751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58422.

The product of its digits is 493920, while the sum is 48.

The square root of 97874751 is about 9893.1668842692. The cubic root of 97874751 is about 460.8471330444.

The spelling of 97874751 in words is "ninety-seven million, eight hundred seventy-four thousand, seven hundred fifty-one".