99764322 has 16 divisors (see below), whose sum is σ = 228032832. Its totient is φ = 28504080.

The previous prime is 99764311. The next prime is 99764323. The reversal of 99764322 is 22346799.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 2375341 = 99764322 / (9 + 9 + 7 + 6 + 4 + 3 + 2 + 2).

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (99764323) 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, 1187629 + ... + 1187712.

It is an arithmetic number, because the mean of its divisors is an integer number (14252052).

Almost surely, 2^99764322 is an apocalyptic number.

99764322 is an abundant number, since it is smaller than the sum of its proper divisors (128268510).

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

99764322 is a wasteful number, since it uses less digits than its factorization.

99764322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375353.

The product of its digits is 163296, while the sum is 42.

The square root of 99764322 is about 9988.2091487914. The cubic root of 99764322 is about 463.7939564024.

The spelling of 99764322 in words is "ninety-nine million, seven hundred sixty-four thousand, three hundred twenty-two".