86866155933480 has 576 divisors, whose sum is σ = 379336734204480. Its totient is φ = 16988338483200.

The previous prime is 86866155933437. The next prime is 86866155933517. The reversal of 86866155933480 is 8433955166868.

86866155933480 is a `hidden beast` number, since 8 + 6 + 8 + 6 + 6 + 1 + 55 + 93 + 3 + 480 = 666.

86866155933480 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×86866155933480² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 86866155933399 and 86866155933408.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 9868126 + ... + 16465485.

It is an arithmetic number, because the mean of its divisors is an integer number (658570719105).

Almost surely, 2^{86866155933480} is an apocalyptic number.

It is an amenable number.

86866155933480 is an abundant number, since it is smaller than the sum of its proper divisors (292470578271000).

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

86866155933480 is a wasteful number, since it uses less digits than its factorization.

86866155933480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26333670 (or 26333656 counting only the distinct ones).

The product of its (nonzero) digits is 895795200, while the sum is 72.

The spelling of 86866155933480 in words is "eighty-six trillion, eight hundred sixty-six billion, one hundred fifty-five million, nine hundred thirty-three thousand, four hundred eighty".