7882057 has 4 divisors (see below), whose sum is σ = 7888000. Its totient is φ = 7876116.

The previous prime is 7882051. The next prime is 7882097. The reversal of 7882057 is 7502887.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7502887 = 7 ⋅1071841.

It is a cyclic number.

It is not a de Polignac number, because 7882057 - 2¹¹ = 7880009 is a prime.

It is the 2808-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7882051) by changing a digit.

It is a nontrivial repunit in base 2807.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28 + ... + 3970.

It is an arithmetic number, because the mean of its divisors is an integer number (1972000).

Almost surely, 2^7882057 is an apocalyptic number.

It is an amenable number.

7882057 is a deficient number, since it is larger than the sum of its proper divisors (5943).

7882057 is a wasteful number, since it uses less digits than its factorization.

7882057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5942.

The product of its (nonzero) digits is 31360, while the sum is 37.

The square root of 7882057 is about 2807.5001335708. The cubic root of 7882057 is about 199.0122716606.

The spelling of 7882057 in words is "seven million, eight hundred eighty-two thousand, fifty-seven".