28294068289970 has 32 divisors (see below), whose sum is σ = 58212907175808. Its totient is φ = 9699495631488.

The previous prime is 28294068289913. The next prime is 28294068289973. The reversal of 28294068289970 is 7998286049282.

It is not an unprimeable number, because it can be changed into a prime (28294068289973) 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, 27146987 + ... + 28169966.

It is an arithmetic number, because the mean of its divisors is an integer number (1819153349244).

Almost surely, 2^{28294068289970} is an apocalyptic number.

28294068289970 is an abundant number, since it is smaller than the sum of its proper divisors (29918838885838).

28294068289970 is a wasteful number, since it uses less digits than its factorization.

28294068289970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55324274.

The product of its (nonzero) digits is 501645312, while the sum is 74.

The spelling of 28294068289970 in words is "twenty-eight trillion, two hundred ninety-four billion, sixty-eight million, two hundred eighty-nine thousand, nine hundred seventy".