851510080 has 112 divisors (see below), whose sum is σ = 2184684480. Its totient is φ = 315076608.

The previous prime is 851510069. The next prime is 851510083. The reversal of 851510080 is 80015158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (851510083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259812 + ... + 263068.

Almost surely, 2^851510080 is an apocalyptic number.

851510080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 851510080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1092342240).

851510080 is an abundant number, since it is smaller than the sum of its proper divisors (1333174400).

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

851510080 is a wasteful number, since it uses less digits than its factorization.

851510080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3336 (or 3326 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 28.

The square root of 851510080 is about 29180.6456405611. The cubic root of 851510080 is about 947.8288664246.

The spelling of 851510080 in words is "eight hundred fifty-one million, five hundred ten thousand, eighty".