28701352092 has 48 divisors (see below), whose sum is σ = 76546471680. Its totient is φ = 8199364992.

The previous prime is 28701352091. The next prime is 28701352151. The reversal of 28701352092 is 29025310782.

It is a super-2 number, since 2×28701352092² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28701352092.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28701352091) 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, 886168 + ... + 917984.

It is an arithmetic number, because the mean of its divisors is an integer number (1594718160).

Almost surely, 2^28701352092 is an apocalyptic number.

It is an amenable number.

28701352092 is an abundant number, since it is smaller than the sum of its proper divisors (47845119588).

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

28701352092 is a wasteful number, since it uses less digits than its factorization.

28701352092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42570 (or 42568 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 28701352092 in words is "twenty-eight billion, seven hundred one million, three hundred fifty-two thousand, ninety-two".