28136671476 has 48 divisors (see below), whose sum is σ = 66315406080. Its totient is φ = 9284595840.

The previous prime is 28136671427. The next prime is 28136671477. The reversal of 28136671476 is 67417663182.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28136671477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 483010 + ... + 538118.

It is an arithmetic number, because the mean of its divisors is an integer number (1381570960).

Almost surely, 2^28136671476 is an apocalyptic number.

It is an amenable number.

28136671476 is an abundant number, since it is smaller than the sum of its proper divisors (38178734604).

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

28136671476 is a wasteful number, since it uses less digits than its factorization.

28136671476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55544 (or 55542 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 51.

The spelling of 28136671476 in words is "twenty-eight billion, one hundred thirty-six million, six hundred seventy-one thousand, four hundred seventy-six".