98143878 has 32 divisors (see below), whose sum is σ = 227683584. Its totient is φ = 27621792.

The previous prime is 98143867. The next prime is 98143879. The reversal of 98143878 is 87834189.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98143879) 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, 14625 + ... + 20252.

It is an arithmetic number, because the mean of its divisors is an integer number (7115112).

Almost surely, 2^98143878 is an apocalyptic number.

98143878 is an abundant number, since it is smaller than the sum of its proper divisors (129539706).

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

98143878 is a wasteful number, since it uses less digits than its factorization.

98143878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34956.

The product of its digits is 387072, while the sum is 48.

The square root of 98143878 is about 9906.7592077329. The cubic root of 98143878 is about 461.2691448491.

The spelling of 98143878 in words is "ninety-eight million, one hundred forty-three thousand, eight hundred seventy-eight".