427612828636 has 48 divisors (see below), whose sum is σ = 869667321600. Its totient is φ = 180191011968.

The previous prime is 427612828627. The next prime is 427612828673. The reversal of 427612828636 is 636828216724.

It is a super-2 number, since 2×427612828636² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33246 + ... + 925381.

It is an arithmetic number, because the mean of its divisors is an integer number (18118069200).

Almost surely, 2^427612828636 is an apocalyptic number.

It is an amenable number.

427612828636 is an abundant number, since it is smaller than the sum of its proper divisors (442054492964).

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

427612828636 is a wasteful number, since it uses less digits than its factorization.

427612828636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958906 (or 958904 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 55.

The spelling of 427612828636 in words is "four hundred twenty-seven billion, six hundred twelve million, eight hundred twenty-eight thousand, six hundred thirty-six".