998290092687 has 16 divisors (see below), whose sum is σ = 1343478922848. Its totient is φ = 659319664640.

The previous prime is 998290092661. The next prime is 998290092703. The reversal of 998290092687 is 786290092899.

It is a cyclic number.

It is not a de Polignac number, because 998290092687 - 2⁷ = 998290092559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998290092187) 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, 2088 + ... + 1413005.

It is an arithmetic number, because the mean of its divisors is an integer number (83967432678).

Almost surely, 2^998290092687 is an apocalyptic number.

998290092687 is a deficient number, since it is larger than the sum of its proper divisors (345188830161).

998290092687 is a wasteful number, since it uses less digits than its factorization.

998290092687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417290.

The product of its (nonzero) digits is 70543872, while the sum is 69.

The spelling of 998290092687 in words is "nine hundred ninety-eight billion, two hundred ninety million, ninety-two thousand, six hundred eighty-seven".