1047788315 has 24 divisors (see below), whose sum is σ = 1470271680. Its totient is φ = 714728448.

The previous prime is 1047788309. The next prime is 1047788317. The reversal of 1047788315 is 5138877401.

It is not a de Polignac number, because 1047788315 - 2⁸ = 1047788059 is a prime.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1047788317) 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, 36206 + ... + 58364.

It is an arithmetic number, because the mean of its divisors is an integer number (61261320).

Almost surely, 2^1047788315 is an apocalyptic number.

1047788315 is a deficient number, since it is larger than the sum of its proper divisors (422483365).

1047788315 is a wasteful number, since it uses less digits than its factorization.

1047788315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22371 (or 22364 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 44.

The square root of 1047788315 is about 32369.5584616164. The cubic root of 1047788315 is about 1015.6822207004.

The spelling of 1047788315 in words is "one billion, forty-seven million, seven hundred eighty-eight thousand, three hundred fifteen".