42776845672 has 16 divisors (see below), whose sum is σ = 87498093600. Its totient is φ = 19444020720.

The previous prime is 42776845637. The next prime is 42776845679. The reversal of 42776845672 is 27654867724.

It is a super-2 number, since 2×42776845672² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42776845679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243050172 + ... + 243050347.

It is an arithmetic number, because the mean of its divisors is an integer number (5468630850).

Almost surely, 2^42776845672 is an apocalyptic number.

It is an amenable number.

42776845672 is an abundant number, since it is smaller than the sum of its proper divisors (44721247928).

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

42776845672 is a wasteful number, since it uses less digits than its factorization.

42776845672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486100536 (or 486100532 counting only the distinct ones).

The product of its digits is 31610880, while the sum is 58.

The spelling of 42776845672 in words is "forty-two billion, seven hundred seventy-six million, eight hundred forty-five thousand, six hundred seventy-two".