97625990690 has 8 divisors (see below), whose sum is σ = 175726783260. Its totient is φ = 39050396272.

The previous prime is 97625990689. The next prime is 97625990789. The reversal of 97625990690 is 9609952679.

It can be written as a sum of positive squares in 2 ways, for example, as 92684322481 + 4941668209 = 304441^2 + 70297^2 .

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

It is a super-2 number, since 2×97625990690² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4881299525 + ... + 4881299544.

Almost surely, 2^97625990690 is an apocalyptic number.

97625990690 is a deficient number, since it is larger than the sum of its proper divisors (78100792570).

97625990690 is a wasteful number, since it uses less digits than its factorization.

97625990690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9762599076.

The product of its (nonzero) digits is 16533720, while the sum is 62.

The spelling of 97625990690 in words is "ninety-seven billion, six hundred twenty-five million, nine hundred ninety thousand, six hundred ninety".