77042127 has 8 divisors (see below), whose sum is σ = 102803760. Its totient is φ = 51320960.

The previous prime is 77042117. The next prime is 77042179. The reversal of 77042127 is 72124077.

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

It is a cyclic number.

It is not a de Polignac number, because 77042127 - 2¹⁶ = 76976591 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 77042094 and 77042103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77042117) 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, 5352 + ... + 13517.

It is an arithmetic number, because the mean of its divisors is an integer number (12850470).

Almost surely, 2^77042127 is an apocalyptic number.

77042127 is a deficient number, since it is larger than the sum of its proper divisors (25761633).

77042127 is a wasteful number, since it uses less digits than its factorization.

77042127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20233.

The product of its (nonzero) digits is 5488, while the sum is 30.

The square root of 77042127 is about 8777.3644677659. The cubic root of 77042127 is about 425.5096575508.

The spelling of 77042127 in words is "seventy-seven million, forty-two thousand, one hundred twenty-seven".