28622685270 has 32 divisors (see below), whose sum is σ = 69195873888. Its totient is φ = 7577001728.

The previous prime is 28622685149. The next prime is 28622685283. The reversal of 28622685270 is 7258622682.

It is a super-2 number, since 2×28622685270² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3477969 + ... + 3486188.

It is an arithmetic number, because the mean of its divisors is an integer number (2162371059).

Almost surely, 2^28622685270 is an apocalyptic number.

28622685270 is an abundant number, since it is smaller than the sum of its proper divisors (40573188618).

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

28622685270 is a wasteful number, since it uses less digits than its factorization.

28622685270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6964304.

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 28622685270 in words is "twenty-eight billion, six hundred twenty-two million, six hundred eighty-five thousand, two hundred seventy".