6857009052 has 48 divisors (see below), whose sum is σ = 16567541760. Its totient is φ = 2204701632.

The previous prime is 6857009039. The next prime is 6857009077. The reversal of 6857009052 is 2509007586.

It is a junction number, because it is equal to n+sod(n) for n = 6857008995 and 6857009013.

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, 369213 + ... + 387339.

It is an arithmetic number, because the mean of its divisors is an integer number (345157120).

Almost surely, 2^6857009052 is an apocalyptic number.

It is an amenable number.

6857009052 is an abundant number, since it is smaller than the sum of its proper divisors (9710532708).

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

6857009052 is a wasteful number, since it uses less digits than its factorization.

6857009052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19250 (or 19248 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 6857009052 is about 82807.0591918346. The cubic root of 6857009052 is about 1899.8161458294.

The spelling of 6857009052 in words is "six billion, eight hundred fifty-seven million, nine thousand, fifty-two".