43077986955 has 24 divisors (see below), whose sum is σ = 75085667280. Its totient is φ = 22846570560.

The previous prime is 43077986951. The next prime is 43077986989. The reversal of 43077986955 is 55968977034.

43077986955 is a `hidden beast` number, since 430 + 7 + 7 + 98 + 69 + 55 = 666.

43077986955 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 43077986955 - 2² = 43077986951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43077986892 and 43077986901.

It is not an unprimeable number, because it can be changed into a prime (43077986951) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2665936 + ... + 2682045.

It is an arithmetic number, because the mean of its divisors is an integer number (3128569470).

Almost surely, 2^43077986955 is an apocalyptic number.

43077986955 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

43077986955 is a deficient number, since it is larger than the sum of its proper divisors (32007680325).

43077986955 is a wasteful number, since it uses less digits than its factorization.

43077986955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5348171 (or 5348168 counting only the distinct ones).

The product of its (nonzero) digits is 57153600, while the sum is 63.

The spelling of 43077986955 in words is "forty-three billion, seventy-seven million, nine hundred eighty-six thousand, nine hundred fifty-five".