7757538045 has 16 divisors (see below), whose sum is σ = 12714795072. Its totient is φ = 4036442240.

The previous prime is 7757538031. The next prime is 7757538083. The reversal of 7757538045 is 5408357577.

It is not a de Polignac number, because 7757538045 - 2⁶ = 7757537981 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6306327 + ... + 6307556.

It is an arithmetic number, because the mean of its divisors is an integer number (794674692).

Almost surely, 2^7757538045 is an apocalyptic number.

It is an amenable number.

7757538045 is a deficient number, since it is larger than the sum of its proper divisors (4957257027).

7757538045 is a wasteful number, since it uses less digits than its factorization.

7757538045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12613932.

The product of its (nonzero) digits is 4116000, while the sum is 51.

The square root of 7757538045 is about 88076.8871214236. The cubic root of 7757538045 is about 1979.5872047831.

The spelling of 7757538045 in words is "seven billion, seven hundred fifty-seven million, five hundred thirty-eight thousand, forty-five".