42772723897 has 8 divisors (see below), whose sum is σ = 44186730752. Its totient is φ = 41360857200.

The previous prime is 42772723891. The next prime is 42772723907. The reversal of 42772723897 is 79832727724.

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

It is not a de Polignac number, because 42772723897 - 2⁷ = 42772723769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42772723891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 494358 + ... + 574399.

It is an arithmetic number, because the mean of its divisors is an integer number (5523341344).

Almost surely, 2^42772723897 is an apocalyptic number.

It is an amenable number.

42772723897 is a deficient number, since it is larger than the sum of its proper divisors (1414006855).

42772723897 is a wasteful number, since it uses less digits than its factorization.

42772723897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070079.

The product of its digits is 16595712, while the sum is 58.

The spelling of 42772723897 in words is "forty-two billion, seven hundred seventy-two million, seven hundred twenty-three thousand, eight hundred ninety-seven".