1087793292 has 18 divisors (see below), whose sum is σ = 2538450964. Its totient is φ = 362559680.

The previous prime is 1087793249. The next prime is 1087793299. The reversal of 1087793292 is 2923977801.

It is a super-2 number, since 2×1087793292² = 2366588492240394528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1087793299) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 109492 + ... + 119012.

Almost surely, 2^1087793292 is an apocalyptic number.

1087793292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1087793292 is an abundant number, since it is smaller than the sum of its proper divisors (1450657672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1087793292 is an frugal number, since it uses more digits than its factorization.

1087793292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19049 (or 9526 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 48.

The square root of 1087793292 is about 32981.7114777266. The cubic root of 1087793292 is about 1028.4474967855.

Multiplying 1087793292 by its sum of digits (48), we get a square (52214078016 = 228504²).

The spelling of 1087793292 in words is "one billion, eighty-seven million, seven hundred ninety-three thousand, two hundred ninety-two".