28373837382 has 128 divisors (see below), whose sum is σ = 70357248000. Its totient is φ = 8403323040.

The previous prime is 28373837381. The next prime is 28373837389.

28373837382 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×28373837382² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28373837381) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6270973 + ... + 6275495.

It is an arithmetic number, because the mean of its divisors is an integer number (549666000).

Almost surely, 2^28373837382 is an apocalyptic number.

28373837382 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 28373837382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35178624000).

28373837382 is an abundant number, since it is smaller than the sum of its proper divisors (41983410618).

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

28373837382 is a wasteful number, since it uses less digits than its factorization.

28373837382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4783 (or 4777 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 54.

The spelling of 28373837382 in words is "twenty-eight billion, three hundred seventy-three million, eight hundred thirty-seven thousand, three hundred eighty-two".