7925520393 has 12 divisors (see below), whose sum is σ = 13083398848. Its totient is φ = 4528868760.

The previous prime is 7925520373. The next prime is 7925520409. The reversal of 7925520393 is 3930255297.

7925520393 is a `hidden beast` number, since 7 + 9 + 2 + 552 + 0 + 3 + 93 = 666.

It is not a de Polignac number, because 7925520393 - 2¹⁰ = 7925519369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7925520313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62900893 + ... + 62901018.

Almost surely, 2^7925520393 is an apocalyptic number.

It is an amenable number.

7925520393 is a deficient number, since it is larger than the sum of its proper divisors (5157878455).

7925520393 is a wasteful number, since it uses less digits than its factorization.

7925520393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125801924 (or 125801921 counting only the distinct ones).

The product of its (nonzero) digits is 510300, while the sum is 45.

The square root of 7925520393 is about 89025.3918441250. The cubic root of 7925520393 is about 1993.7740046860.

The spelling of 7925520393 in words is "seven billion, nine hundred twenty-five million, five hundred twenty thousand, three hundred ninety-three".