787699104864 has 480 divisors, whose sum is σ = 2598800246784. Its totient is φ = 208284088320.

The previous prime is 787699104847. The next prime is 787699104917. The reversal of 787699104864 is 468401996787.

787699104864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 164341252 + ... + 164346044.

Almost surely, 2^787699104864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 787699104864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1299400123392).

787699104864 is an abundant number, since it is smaller than the sum of its proper divisors (1811101141920).

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

787699104864 is a wasteful number, since it uses less digits than its factorization.

787699104864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4888 (or 4859 counting only the distinct ones).

The product of its (nonzero) digits is 146313216, while the sum is 69.

The spelling of 787699104864 in words is "seven hundred eighty-seven billion, six hundred ninety-nine million, one hundred four thousand, eight hundred sixty-four".