86620340679 has 8 divisors (see below), whose sum is σ = 116202339072. Its totient is φ = 57392618040.

The previous prime is 86620340663. The next prime is 86620340689. The reversal of 86620340679 is 97604302668.

It is a happy number.

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

It is not a de Polignac number, because 86620340679 - 2⁴ = 86620340663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86620340629) 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, 88568367 + ... + 88569344.

It is an arithmetic number, because the mean of its divisors is an integer number (14525292384).

Almost surely, 2^86620340679 is an apocalyptic number.

86620340679 is a deficient number, since it is larger than the sum of its proper divisors (29581998393).

86620340679 is a wasteful number, since it uses less digits than its factorization.

86620340679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177137877.

The product of its (nonzero) digits is 2612736, while the sum is 51.

The spelling of 86620340679 in words is "eighty-six billion, six hundred twenty million, three hundred forty thousand, six hundred seventy-nine".