28797611542 has 24 divisors (see below), whose sum is σ = 50435738640. Its totient is φ = 12295941840.

The previous prime is 28797611527. The next prime is 28797611543. The reversal of 28797611542 is 24511679782.

It is a self number, because there is not a number n which added to its sum of digits gives 28797611542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28797611543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 519834 + ... + 572557.

It is an arithmetic number, because the mean of its divisors is an integer number (2101489110).

Almost surely, 2^28797611542 is an apocalyptic number.

28797611542 is a deficient number, since it is larger than the sum of its proper divisors (21638127098).

28797611542 is a wasteful number, since it uses less digits than its factorization.

28797611542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092676 (or 1092669 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 52.

The spelling of 28797611542 in words is "twenty-eight billion, seven hundred ninety-seven million, six hundred eleven thousand, five hundred forty-two".