97722905630 has 32 divisors (see below), whose sum is σ = 201045571776. Its totient is φ = 33502397184.

The previous prime is 97722905617. The next prime is 97722905699. The reversal of 97722905630 is 3650922779.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1000322 + ... + 1093658.

It is an arithmetic number, because the mean of its divisors is an integer number (6282674118).

Almost surely, 2^97722905630 is an apocalyptic number.

97722905630 is an abundant number, since it is smaller than the sum of its proper divisors (103322666146).

97722905630 is a wasteful number, since it uses less digits than its factorization.

97722905630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108308.

The product of its (nonzero) digits is 1428840, while the sum is 50.

The spelling of 97722905630 in words is "ninety-seven billion, seven hundred twenty-two million, nine hundred five thousand, six hundred thirty".