99927278 has 8 divisors (see below), whose sum is σ = 163517400. Its totient is φ = 45421480.

The previous prime is 99927277. The next prime is 99927281. The reversal of 99927278 is 87272999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99927271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2271053 + ... + 2271096.

It is an arithmetic number, because the mean of its divisors is an integer number (20439675).

Almost surely, 2^99927278 is an apocalyptic number.

99927278 is a deficient number, since it is larger than the sum of its proper divisors (63590122).

99927278 is a wasteful number, since it uses less digits than its factorization.

99927278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4542162.

The product of its digits is 1143072, while the sum is 53.

The square root of 99927278 is about 9996.3632386984. The cubic root of 99927278 is about 464.0463408681.

The spelling of 99927278 in words is "ninety-nine million, nine hundred twenty-seven thousand, two hundred seventy-eight".