1004398976087 has 16 divisors (see below), whose sum is σ = 1149250525920. Its totient is φ = 872599959936.

The previous prime is 1004398976083. The next prime is 1004398976093. The reversal of 1004398976087 is 7806798934001.

It is not a de Polignac number, because 1004398976087 - 2² = 1004398976083 is a prime.

It is a super-2 number, since 2×1004398976087² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004398976083) 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, 7799093 + ... + 7926830.

It is an arithmetic number, because the mean of its divisors is an integer number (71828157870).

Almost surely, 2^{1004398976087} is an apocalyptic number.

1004398976087 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1004398976087 is a deficient number, since it is larger than the sum of its proper divisors (144851549833).

1004398976087 is an equidigital number, since it uses as much as digits as its factorization.

1004398976087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15725987 (or 15725953 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 62.

The spelling of 1004398976087 in words is "one trillion, four billion, three hundred ninety-eight million, nine hundred seventy-six thousand, eighty-seven".