675520877856 has 48 divisors (see below), whose sum is σ = 1934446153248. Its totient is φ = 204703296000.

The previous prime is 675520877849. The next prime is 675520877869. The reversal of 675520877856 is 658778025576.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (66).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319847845 + ... + 319849956.

It is an arithmetic number, because the mean of its divisors is an integer number (40300961526).

Almost surely, 2^675520877856 is an apocalyptic number.

675520877856 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

675520877856 is an abundant number, since it is smaller than the sum of its proper divisors (1258925275392).

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

675520877856 is a wasteful number, since it uses less digits than its factorization.

675520877856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639697825 (or 639697817 counting only the distinct ones).

The product of its (nonzero) digits is 197568000, while the sum is 66.

The spelling of 675520877856 in words is "six hundred seventy-five billion, five hundred twenty million, eight hundred seventy-seven thousand, eight hundred fifty-six".