99278682 has 16 divisors (see below), whose sum is σ = 199293312. Its totient is φ = 32970240.

The previous prime is 99278653. The next prime is 99278689. The reversal of 99278682 is 28687299.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (99278689) 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, 28903 + ... + 32154.

It is an arithmetic number, because the mean of its divisors is an integer number (12455832).

Almost surely, 2^99278682 is an apocalyptic number.

99278682 is an abundant number, since it is smaller than the sum of its proper divisors (100014630).

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

99278682 is a wasteful number, since it uses less digits than its factorization.

99278682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61333.

The product of its digits is 870912, while the sum is 51.

The square root of 99278682 is about 9963.8688269166. The cubic root of 99278682 is about 463.0401686792.

The spelling of 99278682 in words is "ninety-nine million, two hundred seventy-eight thousand, six hundred eighty-two".