28963131722 has 16 divisors (see below), whose sum is σ = 49967335680. Its totient is φ = 12333707568.

The previous prime is 28963131689. The next prime is 28963131737. The reversal of 28963131722 is 22713136982.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6586322 + ... + 6590717.

It is an arithmetic number, because the mean of its divisors is an integer number (3122958480).

Almost surely, 2^28963131722 is an apocalyptic number.

28963131722 is a deficient number, since it is larger than the sum of its proper divisors (21004203958).

28963131722 is a wasteful number, since it uses less digits than its factorization.

28963131722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13177205.

The product of its digits is 217728, while the sum is 44.

The spelling of 28963131722 in words is "twenty-eight billion, nine hundred sixty-three million, one hundred thirty-one thousand, seven hundred twenty-two".