866825324355100 has 36 divisors (see below), whose sum is σ = 2052011949657768. Its totient is φ = 315209208856000.

The previous prime is 866825324355083. The next prime is 866825324355121. The reversal of 866825324355100 is 1553423528668.

It is a super-2 number, since 2×866825324355100² (a number of 31 digits) contains 22 as substring.

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, 394011509971 + ... + 394011512170.

It is an arithmetic number, because the mean of its divisors is an integer number (57000331934938).

Almost surely, 2^{866825324355100} is an apocalyptic number.

It is an amenable number.

866825324355100 is an abundant number, since it is smaller than the sum of its proper divisors (1185186625302668).

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

866825324355100 is a wasteful number, since it uses less digits than its factorization.

866825324355100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788023022166 (or 788023022159 counting only the distinct ones).

The product of its (nonzero) digits is 41472000, while the sum is 58.

The spelling of 866825324355100 in words is "eight hundred sixty-six trillion, eight hundred twenty-five billion, three hundred twenty-four million, three hundred fifty-five thousand, one hundred".