28770083040 has 96 divisors (see below), whose sum is σ = 91644164640. Its totient is φ = 7585808384.

The previous prime is 28770083039. The next prime is 28770083047. The reversal of 28770083040 is 4038007782.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 28770083040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28770083047) 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, 294009 + ... + 379448.

It is an arithmetic number, because the mean of its divisors is an integer number (954626715).

Almost surely, 2^28770083040 is an apocalyptic number.

28770083040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28770083040 is an abundant number, since it is smaller than the sum of its proper divisors (62874081600).

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

28770083040 is a wasteful number, since it uses less digits than its factorization.

28770083040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673564 (or 673556 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 39.

The spelling of 28770083040 in words is "twenty-eight billion, seven hundred seventy million, eighty-three thousand, forty".