7857929055 has 16 divisors (see below), whose sum is σ = 12642929280. Its totient is φ = 4167481248.

The previous prime is 7857929003. The next prime is 7857929063. The reversal of 7857929055 is 5509297587.

7857929055 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7857929055 - 2¹² = 7857924959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7857928986 and 7857929004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1460617 + ... + 1465986.

It is an arithmetic number, because the mean of its divisors is an integer number (790183080).

Almost surely, 2^7857929055 is an apocalyptic number.

7857929055 is a deficient number, since it is larger than the sum of its proper divisors (4785000225).

7857929055 is a wasteful number, since it uses less digits than its factorization.

7857929055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2926790.

The product of its (nonzero) digits is 7938000, while the sum is 57.

The square root of 7857929055 is about 88644.9606858732. The cubic root of 7857929055 is about 1988.0899709729.

The spelling of 7857929055 in words is "seven billion, eight hundred fifty-seven million, nine hundred twenty-nine thousand, fifty-five".