42977384111 has 4 divisors (see below), whose sum is σ = 42986629224. Its totient is φ = 42968139000.

The previous prime is 42977384081. The next prime is 42977384113. The reversal of 42977384111 is 11148377924.

It is a happy number.

42977384111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42977384111 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 (42977384113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4615580 + ... + 4624881.

It is an arithmetic number, because the mean of its divisors is an integer number (10746657306).

Almost surely, 2^42977384111 is an apocalyptic number.

42977384111 is a deficient number, since it is larger than the sum of its proper divisors (9245113).

42977384111 is an equidigital number, since it uses as much as digits as its factorization.

42977384111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9245112.

The product of its digits is 338688, while the sum is 47.

The spelling of 42977384111 in words is "forty-two billion, nine hundred seventy-seven million, three hundred eighty-four thousand, one hundred eleven".