6625077775 has 6 divisors (see below), whose sum is σ = 8215096472. Its totient is φ = 5300062200.

The previous prime is 6625077773. The next prime is 6625077793. The reversal of 6625077775 is 5777705266.

It is not a de Polignac number, because 6625077775 - 2¹ = 6625077773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6625077773) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 132501531 + ... + 132501580.

Almost surely, 2^6625077775 is an apocalyptic number.

6625077775 is a deficient number, since it is larger than the sum of its proper divisors (1590018697).

6625077775 is a wasteful number, since it uses less digits than its factorization.

6625077775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265003121 (or 265003116 counting only the distinct ones).

The product of its (nonzero) digits is 4321800, while the sum is 52.

The square root of 6625077775 is about 81394.5807471235. The cubic root of 6625077775 is about 1878.1502266447.

The spelling of 6625077775 in words is "six billion, six hundred twenty-five million, seventy-seven thousand, seven hundred seventy-five".