77152443127 has 8 divisors (see below), whose sum is σ = 80615268864. Its totient is φ = 73698648408.

The previous prime is 77152443107. The next prime is 77152443139. The reversal of 77152443127 is 72134425177.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77152443127 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 (77152443107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2240283 + ... + 2274460.

It is an arithmetic number, because the mean of its divisors is an integer number (10076908608).

Almost surely, 2^77152443127 is an apocalyptic number.

77152443127 is a deficient number, since it is larger than the sum of its proper divisors (3462825737).

77152443127 is a wasteful number, since it uses less digits than its factorization.

77152443127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4515509.

The product of its digits is 329280, while the sum is 43.

The spelling of 77152443127 in words is "seventy-seven billion, one hundred fifty-two million, four hundred forty-three thousand, one hundred twenty-seven".