42877877824 has 28 divisors (see below), whose sum is σ = 85238616924. Its totient is φ = 21400431104.

The previous prime is 42877877773. The next prime is 42877877851.

42877877824 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 1003622400 + 41874255424 = 31680^2 + 204632^2 .

It is a Harshad number since it is a multiple of its sum of digits (64).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565759 + ... + 637054.

Almost surely, 2^42877877824 is an apocalyptic number.

It is an amenable number.

42877877824 is a deficient number, since it is larger than the sum of its proper divisors (42360739100).

42877877824 is a wasteful number, since it uses less digits than its factorization.

42877877824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203382 (or 1203372 counting only the distinct ones).

The product of its digits is 78675968, while the sum is 64.

The spelling of 42877877824 in words is "forty-two billion, eight hundred seventy-seven million, eight hundred seventy-seven thousand, eight hundred twenty-four".