77125017 has 8 divisors (see below), whose sum is σ = 104773824. Its totient is φ = 50446448.

The previous prime is 77124989. The next prime is 77125031. The reversal of 77125017 is 71052177.

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 77125017 - 2⁷ = 77124889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77125717) 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, 242373 + ... + 242690.

It is an arithmetic number, because the mean of its divisors is an integer number (13096728).

Almost surely, 2^77125017 is an apocalyptic number.

It is an amenable number.

77125017 is a deficient number, since it is larger than the sum of its proper divisors (27648807).

77125017 is a wasteful number, since it uses less digits than its factorization.

77125017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485119.

The product of its (nonzero) digits is 3430, while the sum is 30.

The square root of 77125017 is about 8782.0850030047. The cubic root of 77125017 is about 425.6622054931.

The spelling of 77125017 in words is "seventy-seven million, one hundred twenty-five thousand, seventeen".