1087495979 has 4 divisors (see below), whose sum is σ = 1087593984. Its totient is φ = 1087397976.

The previous prime is 1087495949. The next prime is 1087495993. The reversal of 1087495979 is 9795947801.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1087495979 - 2²⁰ = 1086447403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1087495919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29867 + ... + 55380.

It is an arithmetic number, because the mean of its divisors is an integer number (271898496).

Almost surely, 2^1087495979 is an apocalyptic number.

1087495979 is a deficient number, since it is larger than the sum of its proper divisors (98005).

1087495979 is an equidigital number, since it uses as much as digits as its factorization.

1087495979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98004.

The product of its (nonzero) digits is 5715360, while the sum is 59.

The square root of 1087495979 is about 32977.2039293813. The cubic root of 1087495979 is about 1028.3537906637.

The spelling of 1087495979 in words is "one billion, eighty-seven million, four hundred ninety-five thousand, nine hundred seventy-nine".