2857648080 has 80 divisors (see below), whose sum is σ = 10124244864. Its totient is φ = 653176320.

The previous prime is 2857648061. The next prime is 2857648093. The reversal of 2857648080 is 808467582.

2857648080 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 congruent number.

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, 848811 + ... + 852170.

Almost surely, 2^2857648080 is an apocalyptic number.

2857648080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2857648080 is an abundant number, since it is smaller than the sum of its proper divisors (7266596784).

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

2857648080 is a wasteful number, since it uses less digits than its factorization.

2857648080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1701004 (or 1700998 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 48.

The square root of 2857648080 is about 53456.9741006728. The cubic root of 2857648080 is about 1419.0670457072.

The spelling of 2857648080 in words is "two billion, eight hundred fifty-seven million, six hundred forty-eight thousand, eighty".