793821057 has 16 divisors (see below), whose sum is σ = 1105809408. Its totient is φ = 505580240.

The previous prime is 793821037. The next prime is 793821071. The reversal of 793821057 is 750128397.

It is a cyclic number.

It is not a de Polignac number, because 793821057 - 2⁸ = 793820801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (793821037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52882 + ... + 66212.

It is an arithmetic number, because the mean of its divisors is an integer number (69113088).

Almost surely, 2^793821057 is an apocalyptic number.

It is an amenable number.

793821057 is a deficient number, since it is larger than the sum of its proper divisors (311988351).

793821057 is a wasteful number, since it uses less digits than its factorization.

793821057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14220.

The product of its (nonzero) digits is 105840, while the sum is 42.

The square root of 793821057 is about 28174.8302035700. The cubic root of 793821057 is about 925.9215775585.

The spelling of 793821057 in words is "seven hundred ninety-three million, eight hundred twenty-one thousand, fifty-seven".