42841772679 has 16 divisors (see below), whose sum is σ = 60975694080. Its totient is φ = 26676861120.

The previous prime is 42841772671. The next prime is 42841772683. The reversal of 42841772679 is 97627714824.

42841772679 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 42841772679 - 2³ = 42841772671 is a prime.

It is a super-2 number, since 2×42841772679² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42841772671) 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, 5288982 + ... + 5297075.

It is an arithmetic number, because the mean of its divisors is an integer number (3810980880).

Almost surely, 2^42841772679 is an apocalyptic number.

42841772679 is a deficient number, since it is larger than the sum of its proper divisors (18133921401).

42841772679 is a wasteful number, since it uses less digits than its factorization.

42841772679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10586150.

The product of its digits is 9483264, while the sum is 57.

The spelling of 42841772679 in words is "forty-two billion, eight hundred forty-one million, seven hundred seventy-two thousand, six hundred seventy-nine".