28762158380 has 48 divisors (see below), whose sum is σ = 60908349600. Its totient is φ = 11408398848.

The previous prime is 28762158367. The next prime is 28762158389. The reversal of 28762158380 is 8385126782.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28762158389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1830839 + ... + 1846481.

It is an arithmetic number, because the mean of its divisors is an integer number (1268923950).

Almost surely, 2^28762158380 is an apocalyptic number.

28762158380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28762158380 is an abundant number, since it is smaller than the sum of its proper divisors (32146191220).

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

28762158380 is a wasteful number, since it uses less digits than its factorization.

28762158380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16418 (or 16416 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 50.

The spelling of 28762158380 in words is "twenty-eight billion, seven hundred sixty-two million, one hundred fifty-eight thousand, three hundred eighty".