32131775787677 has 8 divisors (see below), whose sum is σ = 33537086289600. Its totient is φ = 30727155016800.

The previous prime is 32131775787619. The next prime is 32131775787679. The reversal of 32131775787677 is 77678757713123.

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

It is not a de Polignac number, because 32131775787677 - 2¹⁰ = 32131775786653 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32131775787677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32131775787679) 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, 172337552 + ... + 172523897.

It is an arithmetic number, because the mean of its divisors is an integer number (4192135786200).

Almost surely, 2^{32131775787677} is an apocalyptic number.

It is an amenable number.

32131775787677 is a deficient number, since it is larger than the sum of its proper divisors (1405310501923).

32131775787677 is a wasteful number, since it uses less digits than its factorization.

32131775787677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344865523.

The product of its digits is 508243680, while the sum is 71.

The spelling of 32131775787677 in words is "thirty-two trillion, one hundred thirty-one billion, seven hundred seventy-five million, seven hundred eighty-seven thousand, six hundred seventy-seven".