86620650766 has 64 divisors (see below), whose sum is σ = 149273445888. Its totient is φ = 37344411648.

The previous prime is 86620650751. The next prime is 86620650769. The reversal of 86620650766 is 66705602668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86620650769) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47514531 + ... + 47516353.

It is an arithmetic number, because the mean of its divisors is an integer number (2332397592).

Almost surely, 2^86620650766 is an apocalyptic number.

86620650766 is a deficient number, since it is larger than the sum of its proper divisors (62652795122).

86620650766 is a wasteful number, since it uses less digits than its factorization.

86620650766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2605.

The product of its (nonzero) digits is 4354560, while the sum is 52.

The spelling of 86620650766 in words is "eighty-six billion, six hundred twenty million, six hundred fifty thousand, seven hundred sixty-six".