80785422900 has 1296 divisors, whose sum is σ = 349451758656. Its totient is φ = 15989944320.

The previous prime is 80785422871. The next prime is 80785422923. The reversal of 80785422900 is 922458708.

80785422900 is a `hidden beast` number, since 80 + 7 + 8 + 542 + 29 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 263144547 + ... + 263144853.

Almost surely, 2^80785422900 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 80785422900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174725879328).

80785422900 is an abundant number, since it is smaller than the sum of its proper divisors (268666335756).

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

80785422900 is a wasteful number, since it uses less digits than its factorization.

80785422900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 80785422900 in words is "eighty billion, seven hundred eighty-five million, four hundred twenty-two thousand, nine hundred".