19970797286700 has 216 divisors, whose sum is σ = 69737107112400. Its totient is φ = 4746375083520.

The previous prime is 19970797286653. The next prime is 19970797286701. The reversal of 19970797286700 is 768279707991.

19970797286700 is a `hidden beast` number, since 199 + 7 + 0 + 7 + 97 + 286 + 70 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (19970797286701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 29090110 + ... + 29768709.

Almost surely, 2^{19970797286700} is an apocalyptic number.

19970797286700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19970797286700 is an abundant number, since it is smaller than the sum of its proper divisors (49766309825700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19970797286700 is a wasteful number, since it uses less digits than its factorization.

19970797286700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58858881 (or 58858871 counting only the distinct ones).

The product of its (nonzero) digits is 168031584, while the sum is 72.

The spelling of 19970797286700 in words is "nineteen trillion, nine hundred seventy billion, seven hundred ninety-seven million, two hundred eighty-six thousand, seven hundred".