1087739663 has 4 divisors (see below), whose sum is σ = 1087896888. Its totient is φ = 1087582440.

The previous prime is 1087739657. The next prime is 1087739699. The reversal of 1087739663 is 3669377801.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1087739663 - 2⁴ = 1087739647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087739603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67733 + ... + 82238.

It is an arithmetic number, because the mean of its divisors is an integer number (271974222).

Almost surely, 2^1087739663 is an apocalyptic number.

1087739663 is a deficient number, since it is larger than the sum of its proper divisors (157225).

1087739663 is an equidigital number, since it uses as much as digits as its factorization.

1087739663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157224.

The product of its (nonzero) digits is 1143072, while the sum is 50.

The square root of 1087739663 is about 32980.8984565309. The cubic root of 1087739663 is about 1028.4305954381.

The spelling of 1087739663 in words is "one billion, eighty-seven million, seven hundred thirty-nine thousand, six hundred sixty-three".