80821636414236 has 48 divisors (see below), whose sum is σ = 210407026478880. Its totient is φ = 26828758967040.

The previous prime is 80821636414133. The next prime is 80821636414261. The reversal of 80821636414236 is 63241463612808.

80821636414236 is a `hidden beast` number, since 8 + 0 + 8 + 216 + 3 + 6 + 414 + 2 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 1552564191 + ... + 1552616246.

It is an arithmetic number, because the mean of its divisors is an integer number (4383479718310).

Almost surely, 2^{80821636414236} is an apocalyptic number.

It is an amenable number.

80821636414236 is an abundant number, since it is smaller than the sum of its proper divisors (129585390064644).

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

80821636414236 is a wasteful number, since it uses less digits than its factorization.

80821636414236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3105180691 (or 3105180683 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 54.

The spelling of 80821636414236 in words is "eighty trillion, eight hundred twenty-one billion, six hundred thirty-six million, four hundred fourteen thousand, two hundred thirty-six".