1087672842 has 24 divisors (see below), whose sum is σ = 2364679044. Its totient is φ = 361318464.

The previous prime is 1087672823. The next prime is 1087672843. The reversal of 1087672842 is 2482767801.

It can be written as a sum of positive squares in 2 ways, for example, as 743162121 + 344510721 = 27261^2 + 18561^2 .

It is a super-2 number, since 2×1087672842² = 2366064422448713928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1087672843) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97843 + ... + 108390.

Almost surely, 2^1087672842 is an apocalyptic number.

1087672842 is an abundant number, since it is smaller than the sum of its proper divisors (1277006202).

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

1087672842 is a wasteful number, since it uses less digits than its factorization.

1087672842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206534 (or 206531 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The square root of 1087672842 is about 32979.8854152042. The cubic root of 1087672842 is about 1028.4095358131.

The spelling of 1087672842 in words is "one billion, eighty-seven million, six hundred seventy-two thousand, eight hundred forty-two".