98778068 has 6 divisors (see below), whose sum is σ = 172861626. Its totient is φ = 49389032.

The previous prime is 98778023. The next prime is 98778079. The reversal of 98778068 is 86087789.

It can be written as a sum of positive squares in only one way, i.e., 96275344 + 2502724 = 9812^2 + 1582^2 .

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, 12347255 + ... + 12347262.

It is an arithmetic number, because the mean of its divisors is an integer number (28810271).

Almost surely, 2^98778068 is an apocalyptic number.

It is an amenable number.

98778068 is a deficient number, since it is larger than the sum of its proper divisors (74083558).

98778068 is a wasteful number, since it uses less digits than its factorization.

98778068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24694521 (or 24694519 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 53.

The square root of 98778068 is about 9938.7156111844. The cubic root of 98778068 is about 462.2605615268.

The spelling of 98778068 in words is "ninety-eight million, seven hundred seventy-eight thousand, sixty-eight".