8115385470 has 16 divisors (see below), whose sum is σ = 19476925200. Its totient is φ = 2164102784.

The previous prime is 8115385459. The next prime is 8115385501. The reversal of 8115385470 is 745835118.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135256395 + ... + 135256454.

It is an arithmetic number, because the mean of its divisors is an integer number (1217307825).

Almost surely, 2^8115385470 is an apocalyptic number.

8115385470 is an abundant number, since it is smaller than the sum of its proper divisors (11361539730).

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

8115385470 is a wasteful number, since it uses less digits than its factorization.

8115385470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270512859.

The product of its (nonzero) digits is 134400, while the sum is 42.

The square root of 8115385470 is about 90085.4342832403. The cubic root of 8115385470 is about 2009.5695942367.

The spelling of 8115385470 in words is "eight billion, one hundred fifteen million, three hundred eighty-five thousand, four hundred seventy".