1087879178 has 4 divisors (see below), whose sum is σ = 1631818770. Its totient is φ = 543939588.

The previous prime is 1087879157. The next prime is 1087879183. The reversal of 1087879178 is 8719787801.

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

It can be written as a sum of positive squares in only one way, i.e., 908238769 + 179640409 = 30137^2 + 13403^2 .

It is a super-2 number, since 2×1087879178² = 2366962211851911368, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271969793 + ... + 271969796.

Almost surely, 2^1087879178 is an apocalyptic number.

1087879178 is a deficient number, since it is larger than the sum of its proper divisors (543939592).

1087879178 is an equidigital number, since it uses as much as digits as its factorization.

1087879178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543939591.

The product of its (nonzero) digits is 1580544, while the sum is 56.

The square root of 1087879178 is about 32983.0134766367. The cubic root of 1087879178 is about 1028.4745628705.

The spelling of 1087879178 in words is "one billion, eighty-seven million, eight hundred seventy-nine thousand, one hundred seventy-eight".