43851372677 has 12 divisors (see below), whose sum is σ = 53695559520. Its totient is φ = 35608632696.

The previous prime is 43851372661. The next prime is 43851372703. The reversal of 43851372677 is 77627315834.

It is not a de Polignac number, because 43851372677 - 2⁴ = 43851372661 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43851372077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23549753 + ... + 23551614.

It is an arithmetic number, because the mean of its divisors is an integer number (4474629960).

Almost surely, 2^43851372677 is an apocalyptic number.

It is an amenable number.

43851372677 is a deficient number, since it is larger than the sum of its proper divisors (9844186843).

43851372677 is a wasteful number, since it uses less digits than its factorization.

43851372677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47101400 (or 47101393 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 53.

The spelling of 43851372677 in words is "forty-three billion, eight hundred fifty-one million, three hundred seventy-two thousand, six hundred seventy-seven".