431538923077 has 16 divisors (see below), whose sum is σ = 436489748352. Its totient is φ = 426620900160.

The previous prime is 431538923047. The next prime is 431538923089. The reversal of 431538923077 is 770329835134.

It is a cyclic number.

It is not a de Polignac number, because 431538923077 - 2³⁵ = 397179184709 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 (431538923047) 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, 29019198 + ... + 29034064.

It is an arithmetic number, because the mean of its divisors is an integer number (27280609272).

Almost surely, 2^431538923077 is an apocalyptic number.

It is an amenable number.

431538923077 is a deficient number, since it is larger than the sum of its proper divisors (4950825275).

431538923077 is a wasteful number, since it uses less digits than its factorization.

431538923077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15948.

The product of its (nonzero) digits is 3810240, while the sum is 52.

The spelling of 431538923077 in words is "four hundred thirty-one billion, five hundred thirty-eight million, nine hundred twenty-three thousand, seventy-seven".