77031790143 has 32 divisors (see below), whose sum is σ = 128338214400. Its totient is φ = 39927336960.

The previous prime is 77031790133. The next prime is 77031790151. The reversal of 77031790143 is 34109713077.

It is not a de Polignac number, because 77031790143 - 2²² = 77027595839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 77031790095 and 77031790104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77031790133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 267630 + ... + 475067.

It is an arithmetic number, because the mean of its divisors is an integer number (4010569200).

Almost surely, 2^77031790143 is an apocalyptic number.

77031790143 is a deficient number, since it is larger than the sum of its proper divisors (51306424257).

77031790143 is a wasteful number, since it uses less digits than its factorization.

77031790143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743167.

The product of its (nonzero) digits is 111132, while the sum is 42.

The spelling of 77031790143 in words is "seventy-seven billion, thirty-one million, seven hundred ninety thousand, one hundred forty-three".