83628851776 has 28 divisors (see below), whose sum is σ = 171304264960. Its totient is φ = 40465572480.

The previous prime is 83628851773. The next prime is 83628851777. The reversal of 83628851776 is 67715882638.

It is not an unprimeable number, because it can be changed into a prime (83628851773) 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, 21073836 + ... + 21077803.

Almost surely, 2^83628851776 is an apocalyptic number.

It is an amenable number.

83628851776 is an abundant number, since it is smaller than the sum of its proper divisors (87675413184).

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

83628851776 is a wasteful number, since it uses less digits than its factorization.

83628851776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42151682 (or 42151672 counting only the distinct ones).

The product of its digits is 27095040, while the sum is 61.

The spelling of 83628851776 in words is "eighty-three billion, six hundred twenty-eight million, eight hundred fifty-one thousand, seven hundred seventy-six".