86969548836 has 81 divisors (see below), whose sum is σ = 229921106961. Its totient is φ = 27716445504.

The previous prime is 86969548829. The next prime is 86969548843. The reversal of 86969548836 is 63884596968.

The square root of 86969548836 is 294906.

It is a perfect power (a square), and thus also a powerful number.

86969548836 is a `hidden beast` number, since 86 + 9 + 69 + 5 + 488 + 3 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (86969548829) and next prime (86969548843).

It can be written as a sum of positive squares in only one way, i.e., 3942584100 + 83026964736 = 62790^2 + 288144^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 40695960 + ... + 40698096.

Almost surely, 2^86969548836 is an apocalyptic number.

86969548836 is the 294906-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86969548836

86969548836 is an abundant number, since it is smaller than the sum of its proper divisors (142951558125).

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

86969548836 is a wasteful number, since it uses less digits than its factorization.

86969548836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4330 (or 2165 counting only the distinct ones).

The product of its digits is 537477120, while the sum is 72.

The spelling of 86969548836 in words is "eighty-six billion, nine hundred sixty-nine million, five hundred forty-eight thousand, eight hundred thirty-six".