97018785 has 24 divisors (see below), whose sum is σ = 168840360. Its totient is φ = 51535872.

The previous prime is 97018781. The next prime is 97018787. The reversal of 97018785 is 58781079.

It can be written as a sum of positive squares in 4 ways, for example, as 55532304 + 41486481 = 7452^2 + 6441^2 .

It is not a de Polignac number, because 97018785 - 2² = 97018781 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 97018785.

It is not an unprimeable number, because it can be changed into a prime (97018781) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7371 + ... + 15759.

It is an arithmetic number, because the mean of its divisors is an integer number (7035015).

Almost surely, 2^97018785 is an apocalyptic number.

It is an amenable number.

97018785 is a deficient number, since it is larger than the sum of its proper divisors (71821575).

97018785 is a wasteful number, since it uses less digits than its factorization.

97018785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8657 (or 8654 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 45.

The square root of 97018785 is about 9849.8114195146. The cubic root of 97018785 is about 459.4997476005.

The spelling of 97018785 in words is "ninety-seven million, eighteen thousand, seven hundred eighty-five".