802897685 has 12 divisors (see below), whose sum is σ = 1007192172. Its totient is φ = 614389248.

The previous prime is 802897673. The next prime is 802897699. The reversal of 802897685 is 586798208.

It can be written as a sum of positive squares in 2 ways, for example, as 571066609 + 231831076 = 23897^2 + 15226^2 .

It is not a de Polignac number, because 802897685 - 2⁶ = 802897621 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149132 + ... + 154421.

It is an arithmetic number, because the mean of its divisors is an integer number (83932681).

Almost surely, 2^802897685 is an apocalyptic number.

It is an amenable number.

802897685 is a deficient number, since it is larger than the sum of its proper divisors (204294487).

802897685 is a wasteful number, since it uses less digits than its factorization.

802897685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303604 (or 303581 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 53.

The square root of 802897685 is about 28335.4492641285. The cubic root of 802897685 is about 929.4372380554.

The spelling of 802897685 in words is "eight hundred two million, eight hundred ninety-seven thousand, six hundred eighty-five".