535866972797880 has 160 divisors (see below), whose sum is σ = 1835091614980800. Its totient is φ = 140201673341184.

The previous prime is 535866972797869. The next prime is 535866972797899. The reversal of 535866972797880 is 88797279668535.

535866972797880 is a `hidden beast` number, since 5 + 3 + 58 + 66 + 97 + 279 + 78 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (90).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1560121120 + ... + 1560464559.

It is an arithmetic number, because the mean of its divisors is an integer number (11469322593630).

Almost surely, 2^{535866972797880} is an apocalyptic number.

It is an amenable number.

535866972797880 is an abundant number, since it is smaller than the sum of its proper divisors (1299224642182920).

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

535866972797880 is a wasteful number, since it uses less digits than its factorization.

535866972797880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3120585755 (or 3120585742 counting only the distinct ones).

The product of its (nonzero) digits is 76814438400, while the sum is 90.

The spelling of 535866972797880 in words is "five hundred thirty-five trillion, eight hundred sixty-six billion, nine hundred seventy-two million, seven hundred ninety-seven thousand, eight hundred eighty".