28670300826 has 16 divisors (see below), whose sum is σ = 58674104544. Its totient is φ = 9334516464.

The previous prime is 28670300821. The next prime is 28670300839. The reversal of 28670300826 is 62800307682.

It is a super-2 number, since 2×28670300826² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28670300821) 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, 55562341 + ... + 55562856.

It is an arithmetic number, because the mean of its divisors is an integer number (3667131534).

Almost surely, 2^28670300826 is an apocalyptic number.

28670300826 is an abundant number, since it is smaller than the sum of its proper divisors (30003803718).

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

28670300826 is a wasteful number, since it uses less digits than its factorization.

28670300826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111125245.

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 28670300826 in words is "twenty-eight billion, six hundred seventy million, three hundred thousand, eight hundred twenty-six".