77422467 has 4 divisors (see below), whose sum is σ = 103229960. Its totient is φ = 51614976.

The previous prime is 77422451. The next prime is 77422507. The reversal of 77422467 is 76422477.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76422477 = 3 ⋅25474159.

It is not a de Polignac number, because 77422467 - 2⁴ = 77422451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77422067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12903742 + ... + 12903747.

It is an arithmetic number, because the mean of its divisors is an integer number (25807490).

Almost surely, 2^77422467 is an apocalyptic number.

77422467 is a deficient number, since it is larger than the sum of its proper divisors (25807493).

77422467 is a wasteful number, since it uses less digits than its factorization.

77422467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25807492.

The product of its digits is 131712, while the sum is 39.

The square root of 77422467 is about 8799.0037504254. The cubic root of 77422467 is about 426.2087242276.

The spelling of 77422467 in words is "seventy-seven million, four hundred twenty-two thousand, four hundred sixty-seven".