1087270636 has 48 divisors (see below), whose sum is σ = 1987463520. Its totient is φ = 520058880.

The previous prime is 1087270633. The next prime is 1087270637. The reversal of 1087270636 is 6360727801.

It is not an unprimeable number, because it can be changed into a prime (1087270633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2378920 + ... + 2379376.

It is an arithmetic number, because the mean of its divisors is an integer number (41405490).

Almost surely, 2^1087270636 is an apocalyptic number.

It is an amenable number.

1087270636 is a deficient number, since it is larger than the sum of its proper divisors (900192884).

1087270636 is a wasteful number, since it uses less digits than its factorization.

1087270636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754 (or 752 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 1087270636 is about 32973.7871043045. The cubic root of 1087270636 is about 1028.2827564283.

The spelling of 1087270636 in words is "one billion, eighty-seven million, two hundred seventy thousand, six hundred thirty-six".