28057762348 has 48 divisors (see below), whose sum is σ = 63191697408. Its totient is φ = 10578960000.

The previous prime is 28057762339. The next prime is 28057762367. The reversal of 28057762348 is 84326775082.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 28057762295 and 28057762304.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1459753 + ... + 1478848.

It is an arithmetic number, because the mean of its divisors is an integer number (1316493696).

Almost surely, 2^28057762348 is an apocalyptic number.

28057762348 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28057762348 is an abundant number, since it is smaller than the sum of its proper divisors (35133935060).

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

28057762348 is a wasteful number, since it uses less digits than its factorization.

28057762348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2938654 (or 2938652 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 52.

The spelling of 28057762348 in words is "twenty-eight billion, fifty-seven million, seven hundred sixty-two thousand, three hundred forty-eight".