787008078556 has 24 divisors (see below), whose sum is σ = 1574169951200. Its totient is φ = 337256220672.

The previous prime is 787008078553. The next prime is 787008078557. The reversal of 787008078556 is 655870800787.

It is a junction number, because it is equal to n+sod(n) for n = 787008078494 and 787008078503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (787008078553) 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, 1080381 + ... + 1655668.

Almost surely, 2^787008078556 is an apocalyptic number.

It is an amenable number.

787008078556 is an abundant number, since it is smaller than the sum of its proper divisors (787161872644).

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

787008078556 is a wasteful number, since it uses less digits than its factorization.

787008078556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2746333 (or 2746331 counting only the distinct ones).

The product of its (nonzero) digits is 26342400, while the sum is 61.

The spelling of 787008078556 in words is "seven hundred eighty-seven billion, eight million, seventy-eight thousand, five hundred fifty-six".