28470877286 has 4 divisors (see below), whose sum is σ = 42706315932. Its totient is φ = 14235438642.

The previous prime is 28470877277. The next prime is 28470877297. The reversal of 28470877286 is 68277807482.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68277807482 = 2 ⋅34138903741.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7117719320 + ... + 7117719323.

It is an arithmetic number, because the mean of its divisors is an integer number (10676578983).

Almost surely, 2^28470877286 is an apocalyptic number.

28470877286 is a deficient number, since it is larger than the sum of its proper divisors (14235438646).

28470877286 is a wasteful number, since it uses less digits than its factorization.

28470877286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14235438645.

The product of its (nonzero) digits is 16859136, while the sum is 59.

The spelling of 28470877286 in words is "twenty-eight billion, four hundred seventy million, eight hundred seventy-seven thousand, two hundred eighty-six".