6626870057 has 8 divisors (see below), whose sum is σ = 6850785480. Its totient is φ = 6405920640.

The previous prime is 6626870039. The next prime is 6626870099. The reversal of 6626870057 is 7500786266.

It can be written as a sum of positive squares in 4 ways, for example, as 1930372096 + 4696497961 = 43936^2 + 68531^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 6626870057 - 2¹⁰ = 6626869033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6626869993 and 6626870020.

It is not an unprimeable number, because it can be changed into a prime (6626870017) 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, 736958 + ... + 745895.

It is an arithmetic number, because the mean of its divisors is an integer number (856348185).

Almost surely, 2^6626870057 is an apocalyptic number.

It is an amenable number.

6626870057 is a deficient number, since it is larger than the sum of its proper divisors (223915423).

6626870057 is a wasteful number, since it uses less digits than its factorization.

6626870057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483003.

The product of its (nonzero) digits is 846720, while the sum is 47.

The square root of 6626870057 is about 81405.5898387820. The cubic root of 6626870057 is about 1878.3195766736.

The spelling of 6626870057 in words is "six billion, six hundred twenty-six million, eight hundred seventy thousand, fifty-seven".