853870744 has 8 divisors (see below), whose sum is σ = 1601007660. Its totient is φ = 426935368.

The previous prime is 853870733. The next prime is 853870777. The reversal of 853870744 is 447078358.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×853870744² = 1458190494918227072, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 853870694 and 853870703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53366914 + ... + 53366929.

Almost surely, 2^853870744 is an apocalyptic number.

It is an amenable number.

853870744 is a deficient number, since it is larger than the sum of its proper divisors (747136916).

853870744 is a wasteful number, since it uses less digits than its factorization.

853870744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106733849 (or 106733845 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 46.

The square root of 853870744 is about 29221.0667840858. The cubic root of 853870744 is about 948.7039552876.

The spelling of 853870744 in words is "eight hundred fifty-three million, eight hundred seventy thousand, seven hundred forty-four".