98631492207 has 4 divisors (see below), whose sum is σ = 131508656280. Its totient is φ = 65754328136.

The previous prime is 98631492149. The next prime is 98631492241. The reversal of 98631492207 is 70229413689.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98631492207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 98631492207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98631492307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16438582032 + ... + 16438582037.

It is an arithmetic number, because the mean of its divisors is an integer number (32877164070).

Almost surely, 2^98631492207 is an apocalyptic number.

98631492207 is a deficient number, since it is larger than the sum of its proper divisors (32877164073).

98631492207 is a wasteful number, since it uses less digits than its factorization.

98631492207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32877164072.

The product of its (nonzero) digits is 1306368, while the sum is 51.

The spelling of 98631492207 in words is "ninety-eight billion, six hundred thirty-one million, four hundred ninety-two thousand, two hundred seven".