28076853642 has 16 divisors (see below), whose sum is σ = 59456866752. Its totient is φ = 8808424640.

The previous prime is 28076853631. The next prime is 28076853661. The reversal of 28076853642 is 24635867082.

It is a Harshad number since it is a multiple of its sum of digits (51).

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, 137631534 + ... + 137631737.

It is an arithmetic number, because the mean of its divisors is an integer number (3716054172).

Almost surely, 2^28076853642 is an apocalyptic number.

28076853642 is an abundant number, since it is smaller than the sum of its proper divisors (31380013110).

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

28076853642 is a wasteful number, since it uses less digits than its factorization.

28076853642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275263293.

The product of its (nonzero) digits is 3870720, while the sum is 51.

The spelling of 28076853642 in words is "twenty-eight billion, seventy-six million, eight hundred fifty-three thousand, six hundred forty-two".