1057793839 has 8 divisors (see below), whose sum is σ = 1120316400. Its totient is φ = 995304576.

The previous prime is 1057793833. The next prime is 1057793881. The reversal of 1057793839 is 9383977501.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1057793839 - 2¹³ = 1057785647 is a prime.

It is a super-2 number, since 2×1057793839² = 2237855611652715842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057793833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91137 + ... + 102085.

It is an arithmetic number, because the mean of its divisors is an integer number (140039550).

Almost surely, 2^1057793839 is an apocalyptic number.

1057793839 is a deficient number, since it is larger than the sum of its proper divisors (62522561).

1057793839 is a wasteful number, since it uses less digits than its factorization.

1057793839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16649.

The product of its (nonzero) digits is 1428840, while the sum is 52.

The square root of 1057793839 is about 32523.7426966824. The cubic root of 1057793839 is about 1018.9049631711.

The spelling of 1057793839 in words is "one billion, fifty-seven million, seven hundred ninety-three thousand, eight hundred thirty-nine".