42472778968 has 8 divisors (see below), whose sum is σ = 79636460580. Its totient is φ = 21236389480.

The previous prime is 42472778963. The next prime is 42472778969. The reversal of 42472778968 is 86987727424.

42472778968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42472778963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2654548678 + ... + 2654548693.

Almost surely, 2^42472778968 is an apocalyptic number.

It is an amenable number.

42472778968 is a deficient number, since it is larger than the sum of its proper divisors (37163681612).

42472778968 is a wasteful number, since it uses less digits than its factorization.

42472778968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5309097377 (or 5309097373 counting only the distinct ones).

The product of its digits is 75866112, while the sum is 64.

The spelling of 42472778968 in words is "forty-two billion, four hundred seventy-two million, seven hundred seventy-eight thousand, nine hundred sixty-eight".