1087336979 has 4 divisors (see below), whose sum is σ = 1088411376. Its totient is φ = 1086262584.

The previous prime is 1087336951. The next prime is 1087337023. The reversal of 1087336979 is 9796337801.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9796337801 = 2339 ⋅4188259.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1087336979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1087336979.

It is not an unprimeable number, because it can be changed into a prime (1087336909) 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, 535679 + ... + 537704.

It is an arithmetic number, because the mean of its divisors is an integer number (272102844).

Almost surely, 2^1087336979 is an apocalyptic number.

1087336979 is a deficient number, since it is larger than the sum of its proper divisors (1074397).

1087336979 is a wasteful number, since it uses less digits than its factorization.

1087336979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074396.

The product of its (nonzero) digits is 1714608, while the sum is 53.

The square root of 1087336979 is about 32974.7930850218. The cubic root of 1087336979 is about 1028.3036705635.

The spelling of 1087336979 in words is "one billion, eighty-seven million, three hundred thirty-six thousand, nine hundred seventy-nine".