77032423077 has 16 divisors (see below), whose sum is σ = 104168064000. Its totient is φ = 50627841264.

The previous prime is 77032423073. The next prime is 77032423093.

77032423077 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 77032423077 - 2² = 77032423073 is a prime.

It is a super-2 number, since 2×77032423077² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77032423073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90427 + ... + 402792.

It is an arithmetic number, because the mean of its divisors is an integer number (6510504000).

Almost surely, 2^77032423077 is an apocalyptic number.

It is an amenable number.

77032423077 is a deficient number, since it is larger than the sum of its proper divisors (27135640923).

77032423077 is a wasteful number, since it uses less digits than its factorization.

77032423077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493960.

The product of its (nonzero) digits is 345744, while the sum is 42.

The spelling of 77032423077 in words is "seventy-seven billion, thirty-two million, four hundred twenty-three thousand, seventy-seven".