1087178004 has 96 divisors (see below), whose sum is σ = 3082060800. Its totient is φ = 328675680.

The previous prime is 1087178003. The next prime is 1087178011. The reversal of 1087178004 is 4008717801.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1087178004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087178003) 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, 696577 + ... + 698135.

It is an arithmetic number, because the mean of its divisors is an integer number (32104800).

Almost surely, 2^1087178004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1087178004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1541030400).

1087178004 is an abundant number, since it is smaller than the sum of its proper divisors (1994882796).

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

1087178004 is a wasteful number, since it uses less digits than its factorization.

1087178004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170 (or 2162 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 36.

The square root of 1087178004 is about 32972.3824434935. The cubic root of 1087178004 is about 1028.2535534588.

The spelling of 1087178004 in words is "one billion, eighty-seven million, one hundred seventy-eight thousand, four".