77422098 has 16 divisors (see below), whose sum is σ = 166755456. Its totient is φ = 23822160.

The previous prime is 77422087. The next prime is 77422099. The reversal of 77422098 is 89022477.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (77422099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496218 + ... + 496373.

It is an arithmetic number, because the mean of its divisors is an integer number (10422216).

Almost surely, 2^77422098 is an apocalyptic number.

77422098 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

77422098 is an abundant number, since it is smaller than the sum of its proper divisors (89333358).

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

77422098 is a wasteful number, since it uses less digits than its factorization.

77422098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992609.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 77422098 is about 8798.9827821175. The cubic root of 77422098 is about 426.2080471147.

The spelling of 77422098 in words is "seventy-seven million, four hundred twenty-two thousand, ninety-eight".