28952841918 has 64 divisors (see below), whose sum is σ = 77747507712. Its totient is φ = 6941738880.

The previous prime is 28952841913. The next prime is 28952841949. The reversal of 28952841918 is 81914825982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28952841913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2404321 + ... + 2416332.

It is an arithmetic number, because the mean of its divisors is an integer number (1214804808).

Almost surely, 2^28952841918 is an apocalyptic number.

28952841918 is an abundant number, since it is smaller than the sum of its proper divisors (48794665794).

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

28952841918 is a wasteful number, since it uses less digits than its factorization.

28952841918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4820689.

The product of its digits is 3317760, while the sum is 57.

The spelling of 28952841918 in words is "twenty-eight billion, nine hundred fifty-two million, eight hundred forty-one thousand, nine hundred eighteen".