42772723896 has 64 divisors (see below), whose sum is σ = 122300513280. Its totient is φ = 12211505280.

The previous prime is 42772723891. The next prime is 42772723907. The reversal of 42772723896 is 69832727724.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42772723891) 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, 127006 + ... + 318866.

It is an arithmetic number, because the mean of its divisors is an integer number (1910945520).

Almost surely, 2^42772723896 is an apocalyptic number.

It is an amenable number.

42772723896 is an abundant number, since it is smaller than the sum of its proper divisors (79527789384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42772723896 is a wasteful number, since it uses less digits than its factorization.

42772723896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193204 (or 193200 counting only the distinct ones).

The product of its digits is 14224896, while the sum is 57.

The spelling of 42772723896 in words is "forty-two billion, seven hundred seventy-two million, seven hundred twenty-three thousand, eight hundred ninety-six".