816077283208 has 16 divisors (see below), whose sum is σ = 1669248988560. Its totient is φ = 370944219600.

The previous prime is 816077283127. The next prime is 816077283209. The reversal of 816077283208 is 802382770618.

It is not an unprimeable number, because it can be changed into a prime (816077283209) 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, 4636802658 + ... + 4636802833.

It is an arithmetic number, because the mean of its divisors is an integer number (104328061785).

Almost surely, 2^816077283208 is an apocalyptic number.

816077283208 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

816077283208 is an abundant number, since it is smaller than the sum of its proper divisors (853171705352).

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

816077283208 is a wasteful number, since it uses less digits than its factorization.

816077283208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9273605508 (or 9273605504 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 52.

The spelling of 816077283208 in words is "eight hundred sixteen billion, seventy-seven million, two hundred eighty-three thousand, two hundred eight".