801070685 has 16 divisors (see below), whose sum is σ = 1071403200. Its totient is φ = 571412736.

The previous prime is 801070681. The next prime is 801070687. The reversal of 801070685 is 586070108.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 801070685 - 2² = 801070681 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801070681) 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, 246395 + ... + 249624.

It is an arithmetic number, because the mean of its divisors is an integer number (66962700).

Almost surely, 2^801070685 is an apocalyptic number.

801070685 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

801070685 is a deficient number, since it is larger than the sum of its proper divisors (270332515).

801070685 is a wasteful number, since it uses less digits than its factorization.

801070685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496060.

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 801070685 is about 28303.1921344572. The cubic root of 801070685 is about 928.7317220659.

The spelling of 801070685 in words is "eight hundred one million, seventy thousand, six hundred eighty-five".