98887477247 has 4 divisors (see below), whose sum is σ = 106494206280. Its totient is φ = 91280748216.

The previous prime is 98887477229. The next prime is 98887477279. The reversal of 98887477247 is 74277478889.

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

It is a cyclic number.

It is not a de Polignac number, because 98887477247 - 2²² = 98883282943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98887477207) 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, 3803364497 + ... + 3803364522.

It is an arithmetic number, because the mean of its divisors is an integer number (26623551570).

Almost surely, 2^98887477247 is an apocalyptic number.

98887477247 is a deficient number, since it is larger than the sum of its proper divisors (7606729033).

98887477247 is a wasteful number, since it uses less digits than its factorization.

98887477247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7606729032.

The product of its digits is 354041856, while the sum is 71.

The spelling of 98887477247 in words is "ninety-eight billion, eight hundred eighty-seven million, four hundred seventy-seven thousand, two hundred forty-seven".