28770420083 has 8 divisors (see below), whose sum is σ = 29803289040. Its totient is φ = 27753320320.

The previous prime is 28770420073. The next prime is 28770420097. The reversal of 28770420083 is 38002407782.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28770420083 - 2¹⁸ = 28770157939 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28770420083.

It is not an unprimeable number, because it can be changed into a prime (28770420023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3938585 + ... + 3945882.

It is an arithmetic number, because the mean of its divisors is an integer number (3725411130).

Almost surely, 2^28770420083 is an apocalyptic number.

28770420083 is a deficient number, since it is larger than the sum of its proper divisors (1032868957).

28770420083 is an equidigital number, since it uses as much as digits as its factorization.

28770420083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7884597.

The product of its (nonzero) digits is 150528, while the sum is 41.

The spelling of 28770420083 in words is "twenty-eight billion, seven hundred seventy million, four hundred twenty thousand, eighty-three".