866475552404528 has 80 divisors (see below), whose sum is σ = 1833191110259712. Its totient is φ = 393470422272000.

The previous prime is 866475552404411. The next prime is 866475552404543. The reversal of 866475552404528 is 825404255574668.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11883980393 + ... + 11884053303.

Almost surely, 2^{866475552404528} is an apocalyptic number.

866475552404528 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

866475552404528 is an abundant number, since it is smaller than the sum of its proper divisors (966715557855184).

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

866475552404528 is a wasteful number, since it uses less digits than its factorization.

866475552404528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137514 (or 137508 counting only the distinct ones).

The product of its (nonzero) digits is 2580480000, while the sum is 71.

The spelling of 866475552404528 in words is "eight hundred sixty-six trillion, four hundred seventy-five billion, five hundred fifty-two million, four hundred four thousand, five hundred twenty-eight".