98623878 has 16 divisors (see below), whose sum is σ = 197345856. Its totient is φ = 32858280.

The previous prime is 98623853. The next prime is 98623879. The reversal of 98623878 is 87832689.

It is a self number, because there is not a number n which added to its sum of digits gives 98623878.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98623879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19125 + ... + 23727.

It is an arithmetic number, because the mean of its divisors is an integer number (12334116).

Almost surely, 2^98623878 is an apocalyptic number.

98623878 is an abundant number, since it is smaller than the sum of its proper divisors (98721978).

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

98623878 is a wasteful number, since it uses less digits than its factorization.

98623878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8179.

The product of its digits is 1161216, while the sum is 51.

The square root of 98623878 is about 9930.9555431489. The cubic root of 98623878 is about 462.0199106878.

The spelling of 98623878 in words is "ninety-eight million, six hundred twenty-three thousand, eight hundred seventy-eight".