97663745 has 8 divisors (see below), whose sum is σ = 119118120. Its totient is φ = 76849920.

The previous prime is 97663739. The next prime is 97663747. The reversal of 97663745 is 54736679.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3806401 + 93857344 = 1951^2 + 9688^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 97663745 - 2²⁴ = 80886529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97663745.

It is not an unprimeable number, because it can be changed into a prime (97663747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159800 + ... + 160409.

It is an arithmetic number, because the mean of its divisors is an integer number (14889765).

Almost surely, 2^97663745 is an apocalyptic number.

It is an amenable number.

97663745 is a deficient number, since it is larger than the sum of its proper divisors (21454375).

97663745 is a wasteful number, since it uses less digits than its factorization.

97663745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320275.

The product of its digits is 952560, while the sum is 47.

The square root of 97663745 is about 9882.4969010873. The cubic root of 97663745 is about 460.5157180702.

The spelling of 97663745 in words is "ninety-seven million, six hundred sixty-three thousand, seven hundred forty-five".