8778312040959 has 24 divisors (see below), whose sum is σ = 13425951080880. Its totient is φ = 5507838498048.

The previous prime is 8778312040919. The next prime is 8778312040987. The reversal of 8778312040959 is 9590402138778.

8778312040959 is a `hidden beast` number, since 87 + 7 + 83 + 1 + 20 + 409 + 59 = 666.

It is not a de Polignac number, because 8778312040959 - 2⁷ = 8778312040831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8778312040896 and 8778312040905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8778312040919) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6560212 + ... + 7784150.

It is an arithmetic number, because the mean of its divisors is an integer number (559414628370).

Almost surely, 2^{8778312040959} is an apocalyptic number.

8778312040959 is a deficient number, since it is larger than the sum of its proper divisors (4647639039921).

8778312040959 is a wasteful number, since it uses less digits than its factorization.

8778312040959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270839 (or 1270836 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 63.

The spelling of 8778312040959 in words is "eight trillion, seven hundred seventy-eight billion, three hundred twelve million, forty thousand, nine hundred fifty-nine".