97455757 has 12 divisors (see below), whose sum is σ = 113533056. Its totient is φ = 83411160.

The previous prime is 97455751. The next prime is 97455773. The reversal of 97455757 is 75755479.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-97455757 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a self number, because there is not a number n which added to its sum of digits gives 97455757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97455751) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52548 + ... + 54370.

It is an arithmetic number, because the mean of its divisors is an integer number (9461088).

Almost surely, 2^97455757 is an apocalyptic number.

It is an amenable number.

97455757 is a deficient number, since it is larger than the sum of its proper divisors (16077299).

97455757 is a wasteful number, since it uses less digits than its factorization.

97455757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2928 (or 2921 counting only the distinct ones).

The product of its digits is 1543500, while the sum is 49.

The square root of 97455757 is about 9871.9682434659. The cubic root of 97455757 is about 460.1885758024.

The spelling of 97455757 in words is "ninety-seven million, four hundred fifty-five thousand, seven hundred fifty-seven".