98230177878 has 64 divisors (see below), whose sum is σ = 236544675840. Its totient is φ = 26565963552.

The previous prime is 98230177849. The next prime is 98230177909. The reversal of 98230177878 is 87877103289.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 895375 + ... + 999077.

It is an arithmetic number, because the mean of its divisors is an integer number (3696010560).

Almost surely, 2^98230177878 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 98230177878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118272337920).

98230177878 is an abundant number, since it is smaller than the sum of its proper divisors (138314497962).

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

98230177878 is a wasteful number, since it uses less digits than its factorization.

98230177878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104921.

The product of its (nonzero) digits is 9483264, while the sum is 60.

The spelling of 98230177878 in words is "ninety-eight billion, two hundred thirty million, one hundred seventy-seven thousand, eight hundred seventy-eight".