97888653 has 6 divisors (see below), whose sum is σ = 141394734. Its totient is φ = 65259096.

The previous prime is 97888633. The next prime is 97888673. The reversal of 97888653 is 35688879.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (97888633) and next prime (97888673).

It can be written as a sum of positive squares in only one way, i.e., 96884649 + 1004004 = 9843^2 + 1002^2 .

It is not a de Polignac number, because 97888653 - 2²⁶ = 30779789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97888653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97888603) 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, 5438250 + ... + 5438267.

It is an arithmetic number, because the mean of its divisors is an integer number (23565789).

Almost surely, 2^97888653 is an apocalyptic number.

It is an amenable number.

97888653 is a deficient number, since it is larger than the sum of its proper divisors (43506081).

97888653 is a wasteful number, since it uses less digits than its factorization.

97888653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10876523 (or 10876520 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 97888653 is about 9893.8694654821. The cubic root of 97888653 is about 460.8689513836.

The spelling of 97888653 in words is "ninety-seven million, eight hundred eighty-eight thousand, six hundred fifty-three".