987829798 has 16 divisors (see below), whose sum is σ = 1596006720. Its totient is φ = 457036776.

The previous prime is 987829789. The next prime is 987829807. The reversal of 987829798 is 897928789.

It is an interprime number because it is at equal distance from previous prime (987829789) and next prime (987829807).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300640 + ... + 303907.

It is an arithmetic number, because the mean of its divisors is an integer number (99750420).

Almost surely, 2^987829798 is an apocalyptic number.

987829798 is a deficient number, since it is larger than the sum of its proper divisors (608176922).

987829798 is a wasteful number, since it uses less digits than its factorization.

987829798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604611.

The product of its digits is 36578304, while the sum is 67.

The square root of 987829798 is about 31429.7597509112. The cubic root of 987829798 is about 995.9266967283.

The spelling of 987829798 in words is "nine hundred eighty-seven million, eight hundred twenty-nine thousand, seven hundred ninety-eight".