43928390677 has 16 divisors (see below), whose sum is σ = 47284231680. Its totient is φ = 40662784512.

The previous prime is 43928390669. The next prime is 43928390689. The reversal of 43928390677 is 77609382934.

It is a cyclic number.

It is not a de Polignac number, because 43928390677 - 2³ = 43928390669 is a prime.

It is a super-2 number, since 2×43928390677² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43928390377) 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, 244849 + ... + 384457.

It is an arithmetic number, because the mean of its divisors is an integer number (2955264480).

Almost surely, 2^43928390677 is an apocalyptic number.

It is an amenable number.

43928390677 is a deficient number, since it is larger than the sum of its proper divisors (3355841003).

43928390677 is a wasteful number, since it uses less digits than its factorization.

43928390677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139932.

The product of its (nonzero) digits is 13716864, while the sum is 58.

The spelling of 43928390677 in words is "forty-three billion, nine hundred twenty-eight million, three hundred ninety thousand, six hundred seventy-seven".