2857429172 has 24 divisors (see below), whose sum is σ = 5420833152. Its totient is φ = 1310076000.

The previous prime is 2857429129. The next prime is 2857429187. The reversal of 2857429172 is 2719247582.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174104 + ... + 189807.

It is an arithmetic number, because the mean of its divisors is an integer number (225868048).

Almost surely, 2^2857429172 is an apocalyptic number.

It is an amenable number.

2857429172 is a deficient number, since it is larger than the sum of its proper divisors (2563403980).

2857429172 is a wasteful number, since it uses less digits than its factorization.

2857429172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364079 (or 364077 counting only the distinct ones).

The product of its digits is 564480, while the sum is 47.

The square root of 2857429172 is about 53454.9265456422. The cubic root of 2857429172 is about 1419.0308092577.

The spelling of 2857429172 in words is "two billion, eight hundred fifty-seven million, four hundred twenty-nine thousand, one hundred seventy-two".