6525077845 has 16 divisors (see below), whose sum is σ = 9198991872. Its totient is φ = 4380471360.

The previous prime is 6525077843. The next prime is 6525077857. The reversal of 6525077845 is 5487705256.

It is a happy number.

It is not a de Polignac number, because 6525077845 - 2¹ = 6525077843 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 (6525077843) 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, 4562277 + ... + 4563706.

It is an arithmetic number, because the mean of its divisors is an integer number (574936992).

Almost surely, 2^6525077845 is an apocalyptic number.

6525077845 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6525077845 is a deficient number, since it is larger than the sum of its proper divisors (2673914027).

6525077845 is a wasteful number, since it uses less digits than its factorization.

6525077845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9126012.

The product of its (nonzero) digits is 2352000, while the sum is 49.

The square root of 6525077845 is about 80777.9539540338. The cubic root of 6525077845 is about 1868.6525839384.

The spelling of 6525077845 in words is "six billion, five hundred twenty-five million, seventy-seven thousand, eight hundred forty-five".