80854620 has 288 divisors, whose sum is σ = 298873344. Its totient is φ = 15966720.

The previous prime is 80854619. The next prime is 80854649. The reversal of 80854620 is 2645808.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1880319 + ... + 1880361.

Almost surely, 2^80854620 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 80854620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149436672).

80854620 is an abundant number, since it is smaller than the sum of its proper divisors (218018724).

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

80854620 is a wasteful number, since it uses less digits than its factorization.

80854620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 80854620 is about 8991.9197060472. The cubic root of 80854620 is about 432.4158589812.

The spelling of 80854620 in words is "eighty million, eight hundred fifty-four thousand, six hundred twenty".