28876425608404 has 36 divisors (see below), whose sum is σ = 55553802259284. Its totient is φ = 13123652080000.

The previous prime is 28876425608399. The next prime is 28876425608419. The reversal of 28876425608404 is 40480652467882.

It can be written as a sum of positive squares in 2 ways, for example, as 16756349276304 + 12120076332100 = 4093452^2 + 3481390^2 .

It is a super-3 number, since 3×28876425608404³ (a number of 41 digits) contains 333 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, 1347697 + ... + 7718104.

It is an arithmetic number, because the mean of its divisors is an integer number (1543161173869).

Almost surely, 2^{28876425608404} is an apocalyptic number.

It is an amenable number.

28876425608404 is a deficient number, since it is larger than the sum of its proper divisors (26677376650880).

28876425608404 is a wasteful number, since it uses less digits than its factorization.

28876425608404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9072408 (or 9072395 counting only the distinct ones).

The product of its (nonzero) digits is 165150720, while the sum is 64.

The spelling of 28876425608404 in words is "twenty-eight trillion, eight hundred seventy-six billion, four hundred twenty-five million, six hundred eight thousand, four hundred four".