80834847156 has 168 divisors, whose sum is σ = 252933980544. Its totient is φ = 22091382720.

The previous prime is 80834847139. The next prime is 80834847161. The reversal of 80834847156 is 65174843808.

80834847156 is a `hidden beast` number, since 8 + 0 + 8 + 3 + 484 + 7 + 156 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

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 55 ways as a sum of consecutive naturals, for example, 383386 + ... + 555566.

It is an arithmetic number, because the mean of its divisors is an integer number (1505559408).

Almost surely, 2^80834847156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80834847156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126466990272).

80834847156 is an abundant number, since it is smaller than the sum of its proper divisors (172099133388).

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

80834847156 is a wasteful number, since it uses less digits than its factorization.

80834847156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172233 (or 172216 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 54.

The spelling of 80834847156 in words is "eighty billion, eight hundred thirty-four million, eight hundred forty-seven thousand, one hundred fifty-six".