2857872330 has 48 divisors (see below), whose sum is σ = 7670168064. Its totient is φ = 737514720.

The previous prime is 2857872313. The next prime is 2857872331. The reversal of 2857872330 is 332787582.

2857872330 is a `hidden beast` number, since 2 + 8 + 578 + 72 + 3 + 3 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (2857872331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 509374 + ... + 514953.

It is an arithmetic number, because the mean of its divisors is an integer number (159795168).

Almost surely, 2^2857872330 is an apocalyptic number.

2857872330 is an abundant number, since it is smaller than the sum of its proper divisors (4812295734).

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

2857872330 is a wasteful number, since it uses less digits than its factorization.

2857872330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024371 (or 1024368 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The square root of 2857872330 is about 53459.0715407591. The cubic root of 2857872330 is about 1419.1041645141.

The spelling of 2857872330 in words is "two billion, eight hundred fifty-seven million, eight hundred seventy-two thousand, three hundred thirty".