77422099 has 2 divisors, whose sum is σ = 77422100. Its totient is φ = 77422098.

The previous prime is 77422087. The next prime is 77422127. The reversal of 77422099 is 99022477.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 77422099 - 2⁵ = 77422067 is a prime.

It is not a weakly prime, because it can be changed into another prime (77422999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38711049 + 38711050.

It is an arithmetic number, because the mean of its divisors is an integer number (38711050).

Almost surely, 2^77422099 is an apocalyptic number.

77422099 is a deficient number, since it is larger than the sum of its proper divisors (1).

77422099 is an equidigital number, since it uses as much as digits as its factorization.

77422099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 77422099 is about 8798.9828389422. The cubic root of 77422099 is about 426.2080489497.

The spelling of 77422099 in words is "seventy-seven million, four hundred twenty-two thousand, ninety-nine".