28257196002 has 16 divisors (see below), whose sum is σ = 64587876672. Its totient is φ = 8073484560.

The previous prime is 28257195991. The next prime is 28257196007. The reversal of 28257196002 is 20069175282.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 672790381 = 28257196002 / (2 + 8 + 2 + 5 + 7 + 1 + 9 + 6 + 0 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (28257196007) 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, 336395149 + ... + 336395232.

It is an arithmetic number, because the mean of its divisors is an integer number (4036742292).

Almost surely, 2^28257196002 is an apocalyptic number.

28257196002 is an abundant number, since it is smaller than the sum of its proper divisors (36330680670).

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

28257196002 is a wasteful number, since it uses less digits than its factorization.

28257196002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672790393.

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 28257196002 in words is "twenty-eight billion, two hundred fifty-seven million, one hundred ninety-six thousand, two".