1087438280 has 32 divisors (see below), whose sum is σ = 2447704440. Its totient is φ = 434803200.

The previous prime is 1087438273. The next prime is 1087438301. The reversal of 1087438280 is 828347801.

It can be written as a sum of positive squares in 4 ways, for example, as 831630244 + 255808036 = 28838^2 + 15994^2 .

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158930 + ... + 165630.

Almost surely, 2^1087438280 is an apocalyptic number.

1087438280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1087438280 is an abundant number, since it is smaller than the sum of its proper divisors (1360266160).

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

1087438280 is a wasteful number, since it uses less digits than its factorization.

1087438280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10769 (or 10765 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 41.

The square root of 1087438280 is about 32976.3290861794. The cubic root of 1087438280 is about 1028.3356033061.

The spelling of 1087438280 in words is "one billion, eighty-seven million, four hundred thirty-eight thousand, two hundred eighty".