807211209996 has 36 divisors (see below), whose sum is σ = 2041874590392. Its totient is φ = 268882618944.

The previous prime is 807211209991. The next prime is 807211209997. The reversal of 807211209996 is 699902112708.

807211209996 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (807211209991) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7772046 + ... + 7875221.

It is an arithmetic number, because the mean of its divisors is an integer number (56718738622).

Almost surely, 2^807211209996 is an apocalyptic number.

It is an amenable number.

807211209996 is an abundant number, since it is smaller than the sum of its proper divisors (1234663380396).

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

807211209996 is a wasteful number, since it uses less digits than its factorization.

807211209996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15648710 (or 15648705 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 54.

The spelling of 807211209996 in words is "eight hundred seven billion, two hundred eleven million, two hundred nine thousand, nine hundred ninety-six".