801609837 has 16 divisors (see below), whose sum is σ = 1222546560. Its totient is φ = 457670592.

The previous prime is 801609833. The next prime is 801609839. The reversal of 801609837 is 738906108.

It is not a de Polignac number, because 801609837 - 2² = 801609833 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801609833) 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, 9739 + ... + 41207.

It is an arithmetic number, because the mean of its divisors is an integer number (76409160).

Almost surely, 2^801609837 is an apocalyptic number.

It is an amenable number.

801609837 is a deficient number, since it is larger than the sum of its proper divisors (420936723).

801609837 is a wasteful number, since it uses less digits than its factorization.

801609837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32692.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 801609837 is about 28312.7151117656. The cubic root of 801609837 is about 928.9400329679.

The spelling of 801609837 in words is "eight hundred one million, six hundred nine thousand, eight hundred thirty-seven".