860778067969 has 8 divisors (see below), whose sum is σ = 877945040000. Its totient is φ = 843767872272.

The previous prime is 860778067907. The next prime is 860778067991. The reversal of 860778067969 is 969760877068.

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 860778067969 - 2²³ = 860769679361 is a prime.

It is a super-2 number, since 2×860778067969² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (860778067769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39182994 + ... + 39204955.

It is an arithmetic number, because the mean of its divisors is an integer number (109743130000).

Almost surely, 2^860778067969 is an apocalyptic number.

It is an amenable number.

860778067969 is a deficient number, since it is larger than the sum of its proper divisors (17166972031).

860778067969 is a wasteful number, since it uses less digits than its factorization.

860778067969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78388167.

The product of its (nonzero) digits is 384072192, while the sum is 73.

The spelling of 860778067969 in words is "eight hundred sixty billion, seven hundred seventy-eight million, sixty-seven thousand, nine hundred sixty-nine".