1087378272 has 36 divisors (see below), whose sum is σ = 3092232780. Its totient is φ = 362459328.

The previous prime is 1087378241. The next prime is 1087378283. The reversal of 1087378272 is 2728737801.

It is a happy number.

1087378272 is a `hidden beast` number, since 1 + 0 + 8 + 7 + 378 + 272 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1887522 + ... + 1888097.

It is an arithmetic number, because the mean of its divisors is an integer number (85895355).

Almost surely, 2^1087378272 is an apocalyptic number.

1087378272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1087378272 is an abundant number, since it is smaller than the sum of its proper divisors (2004854508).

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

1087378272 is a wasteful number, since it uses less digits than its factorization.

1087378272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3775635 (or 3775624 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 45.

The square root of 1087378272 is about 32975.4192088592. The cubic root of 1087378272 is about 1028.3166874439.

The spelling of 1087378272 in words is "one billion, eighty-seven million, three hundred seventy-eight thousand, two hundred seventy-two".