86697678049 has 16 divisors (see below), whose sum is σ = 90908928000. Its totient is φ = 82523737296.

The previous prime is 86697678043. The next prime is 86697678101. The reversal of 86697678049 is 94087679668.

It is a cyclic number.

It is not a de Polignac number, because 86697678049 - 2⁷ = 86697677921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86697678043) 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, 9334762 + ... + 9344044.

It is an arithmetic number, because the mean of its divisors is an integer number (5681808000).

Almost surely, 2^86697678049 is an apocalyptic number.

It is an amenable number.

86697678049 is a deficient number, since it is larger than the sum of its proper divisors (4211249951).

86697678049 is a wasteful number, since it uses less digits than its factorization.

86697678049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11244.

The product of its (nonzero) digits is 219469824, while the sum is 70.

The spelling of 86697678049 in words is "eighty-six billion, six hundred ninety-seven million, six hundred seventy-eight thousand, forty-nine".