28876803672 has 16 divisors (see below), whose sum is σ = 72192009240. Its totient is φ = 9625601216.

The previous prime is 28876803667. The next prime is 28876803673. The reversal of 28876803672 is 27630867882.

It is a happy number.

It is a super-2 number, since 2×28876803672² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28876803673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 601600053 + ... + 601600100.

Almost surely, 2^28876803672 is an apocalyptic number.

It is an amenable number.

28876803672 is an abundant number, since it is smaller than the sum of its proper divisors (43315205568).

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

28876803672 is a wasteful number, since it uses less digits than its factorization.

28876803672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203200162 (or 1203200158 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 57.

The spelling of 28876803672 in words is "twenty-eight billion, eight hundred seventy-six million, eight hundred three thousand, six hundred seventy-two".