42769769677 has 8 divisors (see below), whose sum is σ = 43952604696. Its totient is φ = 41588350272.

The previous prime is 42769769599. The next prime is 42769769683. The reversal of 42769769677 is 77696796724.

It can be written as a sum of positive squares in 4 ways, for example, as 5609111236 + 37160658441 = 74894^2 + 192771^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42769769677 - 2¹¹ = 42769767629 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 (42769769687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292498 + ... + 413635.

It is an arithmetic number, because the mean of its divisors is an integer number (5494075587).

Almost surely, 2^42769769677 is an apocalyptic number.

It is an amenable number.

42769769677 is a deficient number, since it is larger than the sum of its proper divisors (1182835019).

42769769677 is a wasteful number, since it uses less digits than its factorization.

42769769677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707807.

The product of its digits is 336063168, while the sum is 70.

The spelling of 42769769677 in words is "forty-two billion, seven hundred sixty-nine million, seven hundred sixty-nine thousand, six hundred seventy-seven".