203675681872 has 40 divisors (see below), whose sum is σ = 425015375400. Its totient is φ = 93995704320.

The previous prime is 203675681861. The next prime is 203675681879. The reversal of 203675681872 is 278186576302.

It can be written as a sum of positive squares in 4 ways, for example, as 43182502416 + 160493179456 = 207804^2 + 400616^2 .

It is a super-3 number, since 3×203675681872³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203675681879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2676672 + ... + 2751712.

It is an arithmetic number, because the mean of its divisors is an integer number (10625384385).

Almost surely, 2^203675681872 is an apocalyptic number.

It is an amenable number.

203675681872 is an abundant number, since it is smaller than the sum of its proper divisors (221339693528).

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

203675681872 is a wasteful number, since it uses less digits than its factorization.

203675681872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88111 (or 88105 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 55.

The spelling of 203675681872 in words is "two hundred three billion, six hundred seventy-five million, six hundred eighty-one thousand, eight hundred seventy-two".