77270120403077 has 8 divisors (see below), whose sum is σ = 93503338975296. Its totient is φ = 62335559316672.

The previous prime is 77270120403071. The next prime is 77270120403173. The reversal of 77270120403077 is 77030402107277.

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 77270120403077 - 2⁸ = 77270120402821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77270120403071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324664371323 + ... + 324664371560.

It is an arithmetic number, because the mean of its divisors is an integer number (11687917371912).

Almost surely, 2^{77270120403077} is an apocalyptic number.

It is an amenable number.

77270120403077 is a deficient number, since it is larger than the sum of its proper divisors (16233218572219).

77270120403077 is a wasteful number, since it uses less digits than its factorization.

77270120403077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649328742907.

The product of its (nonzero) digits is 806736, while the sum is 47.

The spelling of 77270120403077 in words is "seventy-seven trillion, two hundred seventy billion, one hundred twenty million, four hundred three thousand, seventy-seven".