98551423590 has 32 divisors (see below), whose sum is σ = 240053621760. Its totient is φ = 25888134624.

The previous prime is 98551423517. The next prime is 98551423591. The reversal of 98551423590 is 9532415589.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98551423591) 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, 24513270 + ... + 24517289.

It is an arithmetic number, because the mean of its divisors is an integer number (7501675680).

Almost surely, 2^98551423590 is an apocalyptic number.

98551423590 is an abundant number, since it is smaller than the sum of its proper divisors (141502198170).

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

98551423590 is a wasteful number, since it uses less digits than its factorization.

98551423590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49030636.

The product of its (nonzero) digits is 1944000, while the sum is 51.

The spelling of 98551423590 in words is "ninety-eight billion, five hundred fifty-one million, four hundred twenty-three thousand, five hundred ninety".