80618887206 has 96 divisors (see below), whose sum is σ = 209984366592. Its totient is φ = 22026271680.

The previous prime is 80618887201. The next prime is 80618887267. The reversal of 80618887206 is 60278881608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80618887201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 253510 + ... + 474873.

It is an arithmetic number, because the mean of its divisors is an integer number (2187337152).

Almost surely, 2^80618887206 is an apocalyptic number.

80618887206 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

80618887206 is an abundant number, since it is smaller than the sum of its proper divisors (129365479386).

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

80618887206 is a wasteful number, since it uses less digits than its factorization.

80618887206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728458 (or 728455 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 54.

The spelling of 80618887206 in words is "eighty billion, six hundred eighteen million, eight hundred eighty-seven thousand, two hundred six".