2828777520 has 80 divisors (see below), whose sum is σ = 8900144640. Its totient is φ = 743077632.

The previous prime is 2828777519. The next prime is 2828777561. The reversal of 2828777520 is 257778282.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 2828777520.

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, 71880 + ... + 104039.

It is an arithmetic number, because the mean of its divisors is an integer number (111251808).

Almost surely, 2^2828777520 is an apocalyptic number.

2828777520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2828777520 is an abundant number, since it is smaller than the sum of its proper divisors (6071367120).

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

2828777520 is a wasteful number, since it uses less digits than its factorization.

2828777520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176002 (or 175996 counting only the distinct ones).

The product of its (nonzero) digits is 878080, while the sum is 48.

The square root of 2828777520 is about 53186.2531111189. The cubic root of 2828777520 is about 1414.2719591707.

The spelling of 2828777520 in words is "two billion, eight hundred twenty-eight million, seven hundred seventy-seven thousand, five hundred twenty".