806897700 has 540 divisors, whose sum is σ = 3232761840. Its totient is φ = 173093760.

The previous prime is 806897677. The next prime is 806897743. The reversal of 806897700 is 7798608.

It is a tau number, because it is divible by the number of its divisors (540).

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

It is an unprimeable number.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 7541047 + ... + 7541153.

It is an arithmetic number, because the mean of its divisors is an integer number (5986596).

Almost surely, 2^806897700 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 806897700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1616380920).

806897700 is an abundant number, since it is smaller than the sum of its proper divisors (2425864140).

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

806897700 is a wasteful number, since it uses less digits than its factorization.

806897700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 806897700 is about 28405.9448003406. The cubic root of 806897700 is about 930.9781591726.

The spelling of 806897700 in words is "eight hundred six million, eight hundred ninety-seven thousand, seven hundred".