787880651404 has 192 divisors, whose sum is σ = 1818965901312. Its totient is φ = 289683014400.

The previous prime is 787880651381. The next prime is 787880651423. The reversal of 787880651404 is 404156088787.

787880651404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 84504687 + ... + 84514009.

It is an arithmetic number, because the mean of its divisors is an integer number (9473780736).

Almost surely, 2^787880651404 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 787880651404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (909482950656).

787880651404 is an abundant number, since it is smaller than the sum of its proper divisors (1031085249908).

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

787880651404 is a wasteful number, since it uses less digits than its factorization.

787880651404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9596 (or 9594 counting only the distinct ones).

The product of its (nonzero) digits is 12042240, while the sum is 58.

The spelling of 787880651404 in words is "seven hundred eighty-seven billion, eight hundred eighty million, six hundred fifty-one thousand, four hundred four".