28770471000 has 384 divisors, whose sum is σ = 101526384960. Its totient is φ = 7620480000.

The previous prime is 28770470987. The next prime is 28770471011. The reversal of 28770471000 is 17407782.

It is a super-3 number, since 3×28770471000³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 47870700 + ... + 47871300.

Almost surely, 2^28770471000 is an apocalyptic number.

28770471000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28770471000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50763192480).

28770471000 is an abundant number, since it is smaller than the sum of its proper divisors (72755913960).

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

28770471000 is a wasteful number, since it uses less digits than its factorization.

28770471000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834 (or 808 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 36.

Adding to 28770471000 its reverse (17407782), we get a palindrome (28787878782).

The spelling of 28770471000 in words is "twenty-eight billion, seven hundred seventy million, four hundred seventy-one thousand".