99153378 has 24 divisors (see below), whose sum is σ = 222241500. Its totient is φ = 31911264.

The previous prime is 99153361. The next prime is 99153433. The reversal of 99153378 is 87335199.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 95004009 + 4149369 = 9747^2 + 2037^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94453 + ... + 95496.

Almost surely, 2^99153378 is an apocalyptic number.

99153378 is an abundant number, since it is smaller than the sum of its proper divisors (123088122).

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

99153378 is a wasteful number, since it uses less digits than its factorization.

99153378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189986 (or 189983 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 99153378 is about 9957.5789226097. The cubic root of 99153378 is about 462.8452788618.

The spelling of 99153378 in words is "ninety-nine million, one hundred fifty-three thousand, three hundred seventy-eight".