7907828505 has 16 divisors (see below), whose sum is σ = 12812686080. Its totient is φ = 4164121728.

The previous prime is 7907828503. The next prime is 7907828549. The reversal of 7907828505 is 5058287097.

It is not a de Polignac number, because 7907828505 - 2¹ = 7907828503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7907828503) 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, 3335452 + ... + 3337821.

It is an arithmetic number, because the mean of its divisors is an integer number (800792880).

Almost surely, 2^7907828505 is an apocalyptic number.

It is an amenable number.

7907828505 is a deficient number, since it is larger than the sum of its proper divisors (4904857575).

7907828505 is a wasteful number, since it uses less digits than its factorization.

7907828505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6673360.

The product of its (nonzero) digits is 1411200, while the sum is 51.

The square root of 7907828505 is about 88925.9720497898. The cubic root of 7907828505 is about 1992.2893532491.

The spelling of 7907828505 in words is "seven billion, nine hundred seven million, eight hundred twenty-eight thousand, five hundred five".