8778479670 has 96 divisors (see below), whose sum is σ = 23524300800. Its totient is φ = 2269899072.

The previous prime is 8778479657. The next prime is 8778479681. The reversal of 8778479670 is 769748778.

8778479670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 8778479598 and 8778479607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 529771 + ... + 546089.

It is an arithmetic number, because the mean of its divisors is an integer number (245044800).

Almost surely, 2^8778479670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8778479670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11762150400).

8778479670 is an abundant number, since it is smaller than the sum of its proper divisors (14745821130).

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

8778479670 is a wasteful number, since it uses less digits than its factorization.

8778479670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16514 (or 16511 counting only the distinct ones).

The product of its (nonzero) digits is 33191424, while the sum is 63.

The square root of 8778479670 is about 93693.5412395113. The cubic root of 8778479670 is about 2062.8759019540.

The spelling of 8778479670 in words is "eight billion, seven hundred seventy-eight million, four hundred seventy-nine thousand, six hundred seventy".