1087087620 has 48 divisors (see below), whose sum is σ = 3148810560. Its totient is φ = 279893376.

The previous prime is 1087087613. The next prime is 1087087643. The reversal of 1087087620 is 267807801.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310642 + ... + 314121.

It is an arithmetic number, because the mean of its divisors is an integer number (65600220).

Almost surely, 2^1087087620 is an apocalyptic number.

1087087620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1087087620 is an abundant number, since it is smaller than the sum of its proper divisors (2061722940).

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

1087087620 is a wasteful number, since it uses less digits than its factorization.

1087087620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624804 (or 624802 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 39.

The square root of 1087087620 is about 32971.0118134097. The cubic root of 1087087620 is about 1028.2250575902.

The spelling of 1087087620 in words is "one billion, eighty-seven million, eighty-seven thousand, six hundred twenty".