7897928364135 has 48 divisors (see below), whose sum is σ = 14671028458944. Its totient is φ = 3920193801216.

The previous prime is 7897928364113. The next prime is 7897928364169. The reversal of 7897928364135 is 5314638297987.

7897928364135 is a `hidden beast` number, since 7 + 8 + 97 + 92 + 8 + 36 + 413 + 5 = 666.

It is not a de Polignac number, because 7897928364135 - 2⁶ = 7897928364071 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 103081282 + ... + 103157871.

It is an arithmetic number, because the mean of its divisors is an integer number (305646426228).

Almost surely, 2^{7897928364135} is an apocalyptic number.

7897928364135 is a deficient number, since it is larger than the sum of its proper divisors (6773100094809).

7897928364135 is a wasteful number, since it uses less digits than its factorization.

7897928364135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206239224 (or 206239221 counting only the distinct ones).

The product of its digits is 548674560, while the sum is 72.

The spelling of 7897928364135 in words is "seven trillion, eight hundred ninety-seven billion, nine hundred twenty-eight million, three hundred sixty-four thousand, one hundred thirty-five".