77423127 has 8 divisors (see below), whose sum is σ = 106790640. Its totient is φ = 49835520.

The previous prime is 77423077. The next prime is 77423149. The reversal of 77423127 is 72132477.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 77423127 - 2⁶ = 77423063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77423327) 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, 444874 + ... + 445047.

It is an arithmetic number, because the mean of its divisors is an integer number (13348830).

Almost surely, 2^77423127 is an apocalyptic number.

77423127 is a deficient number, since it is larger than the sum of its proper divisors (29367513).

77423127 is a wasteful number, since it uses less digits than its factorization.

77423127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889953.

The product of its digits is 16464, while the sum is 33.

The square root of 77423127 is about 8799.0412545913. The cubic root of 77423127 is about 426.2099353186.

The spelling of 77423127 in words is "seventy-seven million, four hundred twenty-three thousand, one hundred twenty-seven".