86620340628 has 24 divisors (see below), whose sum is σ = 224571253760. Its totient is φ = 28873446840.

The previous prime is 86620340617. The next prime is 86620340629. The reversal of 86620340628 is 82604302668.

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, 401019988 + ... + 401020203.

Almost surely, 2^86620340628 is an apocalyptic number.

It is an amenable number.

86620340628 is an abundant number, since it is smaller than the sum of its proper divisors (137950913132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86620340628 is a wasteful number, since it uses less digits than its factorization.

86620340628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802040204 (or 802040196 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The spelling of 86620340628 in words is "eighty-six billion, six hundred twenty million, three hundred forty thousand, six hundred twenty-eight".