783896989992 has 16 divisors (see below), whose sum is σ = 1959742475040. Its totient is φ = 261298996656.

The previous prime is 783896989991. The next prime is 783896990003. The reversal of 783896989992 is 299989698387.

It is a super-2 number, since 2×783896989992² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 783896989899 and 783896989908.

It is not an unprimeable number, because it can be changed into a prime (783896989991) 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 3 ways as a sum of consecutive naturals, for example, 16331187268 + ... + 16331187315.

It is an arithmetic number, because the mean of its divisors is an integer number (122483904690).

Almost surely, 2^783896989992 is an apocalyptic number.

It is an amenable number.

783896989992 is an abundant number, since it is smaller than the sum of its proper divisors (1175845485048).

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

783896989992 is a wasteful number, since it uses less digits than its factorization.

783896989992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32662374592 (or 32662374588 counting only the distinct ones).

The product of its digits is 7618738176, while the sum is 87.

The spelling of 783896989992 in words is "seven hundred eighty-three billion, eight hundred ninety-six million, nine hundred eighty-nine thousand, nine hundred ninety-two".