786897361 has 8 divisors (see below), whose sum is σ = 791314920. Its totient is φ = 782491392.

The previous prime is 786897341. The next prime is 786897383. The reversal of 786897361 is 163798687.

It can be written as a sum of positive squares in 4 ways, for example, as 6533136 + 780364225 = 2556^2 + 27935^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 786897361 - 2¹⁵ = 786864593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (786897301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157051 + ... + 161983.

It is an arithmetic number, because the mean of its divisors is an integer number (98914365).

Almost surely, 2^786897361 is an apocalyptic number.

It is an amenable number.

786897361 is a deficient number, since it is larger than the sum of its proper divisors (4417559).

786897361 is a wasteful number, since it uses less digits than its factorization.

786897361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5795.

The product of its digits is 3048192, while the sum is 55.

The square root of 786897361 is about 28051.6908759526. The cubic root of 786897361 is about 923.2217547171.

The spelling of 786897361 in words is "seven hundred eighty-six million, eight hundred ninety-seven thousand, three hundred sixty-one".