97618851 has 30 divisors (see below), whose sum is σ = 159564636. Its totient is φ = 58984200.

The previous prime is 97618817. The next prime is 97618889. The reversal of 97618851 is 15881679.

It is not a de Polignac number, because 97618851 - 2⁷ = 97618723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97618797 and 97618806.

It is not an unprimeable number, because it can be changed into a prime (97618051) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 294756 + ... + 295086.

Almost surely, 2^97618851 is an apocalyptic number.

97618851 is a deficient number, since it is larger than the sum of its proper divisors (61945785).

97618851 is an equidigital number, since it uses as much as digits as its factorization.

97618851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685 (or 345 counting only the distinct ones).

The product of its digits is 120960, while the sum is 45.

The square root of 97618851 is about 9880.2252504687. The cubic root of 97618851 is about 460.4451440774.

The spelling of 97618851 in words is "ninety-seven million, six hundred eighteen thousand, eight hundred fifty-one".