99776422 has 16 divisors (see below), whose sum is σ = 152937072. Its totient is φ = 48803040.

The previous prime is 99776399. The next prime is 99776423. The reversal of 99776422 is 22467799.

It is a happy number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99776423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40897 + ... + 43267.

It is an arithmetic number, because the mean of its divisors is an integer number (9558567).

Almost surely, 2^99776422 is an apocalyptic number.

99776422 is a deficient number, since it is larger than the sum of its proper divisors (53160650).

99776422 is a wasteful number, since it uses less digits than its factorization.

99776422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2823.

The product of its digits is 381024, while the sum is 46.

The square root of 99776422 is about 9988.8148446150. The cubic root of 99776422 is about 463.8127061915.

The spelling of 99776422 in words is "ninety-nine million, seven hundred seventy-six thousand, four hundred twenty-two".