97091630812 has 18 divisors (see below), whose sum is σ = 186760968464. Its totient is φ = 44132559240.

The previous prime is 97091630809. The next prime is 97091630843. The reversal of 97091630812 is 21803619079.

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 5 ways as a sum of consecutive naturals, for example, 100300788 + ... + 100301755.

Almost surely, 2^97091630812 is an apocalyptic number.

It is an amenable number.

97091630812 is a deficient number, since it is larger than the sum of its proper divisors (89669337652).

97091630812 is a wasteful number, since it uses less digits than its factorization.

97091630812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200602569 (or 200602556 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 46.

The spelling of 97091630812 in words is "ninety-seven billion, ninety-one million, six hundred thirty thousand, eight hundred twelve".