1047086878 has 4 divisors (see below), whose sum is σ = 1570630320. Its totient is φ = 523543438.

The previous prime is 1047086863. The next prime is 1047086893. The reversal of 1047086878 is 8786807401.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1047086863) and next prime (1047086893).

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 as a sum of consecutive naturals, namely, 261771718 + ... + 261771721.

It is an arithmetic number, because the mean of its divisors is an integer number (392657580).

Almost surely, 2^1047086878 is an apocalyptic number.

1047086878 is a deficient number, since it is larger than the sum of its proper divisors (523543442).

1047086878 is an equidigital number, since it uses as much as digits as its factorization.

1047086878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523543441.

The product of its (nonzero) digits is 602112, while the sum is 49.

The square root of 1047086878 is about 32358.7218227173. The cubic root of 1047086878 is about 1015.4555221971.

The spelling of 1047086878 in words is "one billion, forty-seven million, eighty-six thousand, eight hundred seventy-eight".