1087238859 has 32 divisors (see below), whose sum is σ = 1778273280. Its totient is φ = 576709632.

The previous prime is 1087238837. The next prime is 1087238891. The reversal of 1087238859 is 9588327801.

It is not a de Polignac number, because 1087238859 - 2⁷ = 1087238731 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (1087238809) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5202 + ... + 46920.

It is an arithmetic number, because the mean of its divisors is an integer number (55571040).

Almost surely, 2^1087238859 is an apocalyptic number.

1087238859 is a deficient number, since it is larger than the sum of its proper divisors (691034421).

1087238859 is a wasteful number, since it uses less digits than its factorization.

1087238859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41819.

The product of its (nonzero) digits is 967680, while the sum is 51.

The square root of 1087238859 is about 32973.3052483369. The cubic root of 1087238859 is about 1028.2727386650.

The spelling of 1087238859 in words is "one billion, eighty-seven million, two hundred thirty-eight thousand, eight hundred fifty-nine".