86802187700 has 36 divisors (see below), whose sum is σ = 188580724332. Its totient is φ = 34680326400.

The previous prime is 86802187691. The next prime is 86802187721. The reversal of 86802187700 is 778120868.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 8881931536 + 77920256164 = 94244^2 + 279142^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 420731 + ... + 592130.

Almost surely, 2^86802187700 is an apocalyptic number.

It is an amenable number.

86802187700 is an abundant number, since it is smaller than the sum of its proper divisors (101778536632).

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

86802187700 is a wasteful number, since it uses less digits than its factorization.

86802187700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013732 (or 1013725 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 47.

The spelling of 86802187700 in words is "eighty-six billion, eight hundred two million, one hundred eighty-seven thousand, seven hundred".