99078042 has 16 divisors (see below), whose sum is σ = 226464192. Its totient is φ = 28308000.

The previous prime is 99078019. The next prime is 99078053. The reversal of 99078042 is 24087099.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1179459 + ... + 1179542.

It is an arithmetic number, because the mean of its divisors is an integer number (14154012).

Almost surely, 2^99078042 is an apocalyptic number.

99078042 is an abundant number, since it is smaller than the sum of its proper divisors (127386150).

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

99078042 is a wasteful number, since it uses less digits than its factorization.

99078042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2359013.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 99078042 is about 9953.7953565462. The cubic root of 99078042 is about 462.7280270262.

The spelling of 99078042 in words is "ninety-nine million, seventy-eight thousand, forty-two".