1087379839 has 64 divisors (see below), whose sum is σ = 1439907840. Its totient is φ = 798336000.

The previous prime is 1087379803. The next prime is 1087379863. The reversal of 1087379839 is 9389737801.

It is not a de Polignac number, because 1087379839 - 2¹⁵ = 1087347071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1087379839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087379239) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12217707 + ... + 12217795.

It is an arithmetic number, because the mean of its divisors is an integer number (22498560).

Almost surely, 2^1087379839 is an apocalyptic number.

1087379839 is a deficient number, since it is larger than the sum of its proper divisors (352528001).

1087379839 is a wasteful number, since it uses less digits than its factorization.

1087379839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272.

The product of its (nonzero) digits is 2286144, while the sum is 55.

The square root of 1087379839 is about 32975.4429689731. The cubic root of 1087379839 is about 1028.3171814061.

The spelling of 1087379839 in words is "one billion, eighty-seven million, three hundred seventy-nine thousand, eight hundred thirty-nine".