898506638680 has 64 divisors (see below), whose sum is σ = 2342987182080. Its totient is φ = 303720547200.

The previous prime is 898506638651. The next prime is 898506638681. The reversal of 898506638680 is 86836605898.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (898506638681) 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, 22578376 + ... + 22618135.

It is an arithmetic number, because the mean of its divisors is an integer number (36609174720).

Almost surely, 2^898506638680 is an apocalyptic number.

It is an amenable number.

898506638680 is an abundant number, since it is smaller than the sum of its proper divisors (1444480543400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

898506638680 is a wasteful number, since it uses less digits than its factorization.

898506638680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45196600 (or 45196596 counting only the distinct ones).

The product of its (nonzero) digits is 119439360, while the sum is 67.

The spelling of 898506638680 in words is "eight hundred ninety-eight billion, five hundred six million, six hundred thirty-eight thousand, six hundred eighty".