1047587478 has 32 divisors (see below), whose sum is σ = 2430230784. Its totient is φ = 294842592.

The previous prime is 1047587419. The next prime is 1047587573. The reversal of 1047587478 is 8747857401.

It is a self number, because there is not a number n which added to its sum of digits gives 1047587478.

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 15 ways as a sum of consecutive naturals, for example, 183325 + ... + 188952.

It is an arithmetic number, because the mean of its divisors is an integer number (75944712).

Almost surely, 2^1047587478 is an apocalyptic number.

1047587478 is an abundant number, since it is smaller than the sum of its proper divisors (1382643306).

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

1047587478 is a wasteful number, since it uses less digits than its factorization.

1047587478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372356.

The product of its (nonzero) digits is 1756160, while the sum is 51.

The square root of 1047587478 is about 32366.4560617934. The cubic root of 1047587478 is about 1015.6173222211.

The spelling of 1047587478 in words is "one billion, forty-seven million, five hundred eighty-seven thousand, four hundred seventy-eight".