99177242 has 16 divisors (see below), whose sum is σ = 159432192. Its totient is φ = 46149840.

The previous prime is 99177241. The next prime is 99177251. The reversal of 99177242 is 24277199.

It is a super-2 number, since 2×99177242² = 19672250661453128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 99177242.

It is not an unprimeable number, because it can be changed into a prime (99177241) 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, 27434 + ... + 30837.

It is an arithmetic number, because the mean of its divisors is an integer number (9964512).

Almost surely, 2^99177242 is an apocalyptic number.

99177242 is a deficient number, since it is larger than the sum of its proper divisors (60254950).

99177242 is a wasteful number, since it uses less digits than its factorization.

99177242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58333.

The product of its digits is 63504, while the sum is 41.

The square root of 99177242 is about 9958.7771337650. Note that the first 3 decimals coincide. The cubic root of 99177242 is about 462.8824080514.

The spelling of 99177242 in words is "ninety-nine million, one hundred seventy-seven thousand, two hundred forty-two".