813984997416 has 32 divisors (see below), whose sum is σ = 2046725292960. Its totient is φ = 269759959232.

The previous prime is 813984997339. The next prime is 813984997417. The reversal of 813984997416 is 614799489318.

It is not an unprimeable number, because it can be changed into a prime (813984997417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98019090 + ... + 98027393.

It is an arithmetic number, because the mean of its divisors is an integer number (63960165405).

Almost surely, 2^813984997416 is an apocalyptic number.

It is an amenable number.

813984997416 is an abundant number, since it is smaller than the sum of its proper divisors (1232740295544).

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

813984997416 is a wasteful number, since it uses less digits than its factorization.

813984997416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196046665 (or 196046661 counting only the distinct ones).

The product of its digits is 94058496, while the sum is 69.

The spelling of 813984997416 in words is "eight hundred thirteen billion, nine hundred eighty-four million, nine hundred ninety-seven thousand, four hundred sixteen".