1087801165 has 64 divisors (see below), whose sum is σ = 1524096000. Its totient is φ = 738017280.

The previous prime is 1087801163. The next prime is 1087801177. The reversal of 1087801165 is 5611087801.

It is not a de Polignac number, because 1087801165 - 2¹ = 1087801163 is a prime.

It is a super-2 number, since 2×1087801165² = 2366622749150714450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087801163) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11214397 + ... + 11214493.

It is an arithmetic number, because the mean of its divisors is an integer number (23814000).

Almost surely, 2^1087801165 is an apocalyptic number.

It is an amenable number.

1087801165 is a deficient number, since it is larger than the sum of its proper divisors (436294835).

1087801165 is a wasteful number, since it uses less digits than its factorization.

1087801165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310.

The product of its (nonzero) digits is 13440, while the sum is 37.

The square root of 1087801165 is about 32981.8308315351. The cubic root of 1087801165 is about 1028.4499779394.

Adding to 1087801165 its reverse (5611087801), we get a palindrome (6698888966).

The spelling of 1087801165 in words is "one billion, eighty-seven million, eight hundred one thousand, one hundred sixty-five".