98967878 has 4 divisors (see below), whose sum is σ = 148451820. Its totient is φ = 49483938.

The previous prime is 98967857. The next prime is 98967887. The reversal of 98967878 is 87876989.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87876989 = 29 ⋅3030241.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 98967878.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24741968 + ... + 24741971.

It is an arithmetic number, because the mean of its divisors is an integer number (37112955).

Almost surely, 2^98967878 is an apocalyptic number.

98967878 is a deficient number, since it is larger than the sum of its proper divisors (49483942).

98967878 is a wasteful number, since it uses less digits than its factorization.

98967878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49483941.

The product of its digits is 12192768, while the sum is 62.

The square root of 98967878 is about 9948.2600488729. The cubic root of 98967878 is about 462.5564623544.

The spelling of 98967878 in words is "ninety-eight million, nine hundred sixty-seven thousand, eight hundred seventy-eight".