7925463658 has 16 divisors (see below), whose sum is σ = 14024784384. Its totient is φ = 3287058480.

The previous prime is 7925463599. The next prime is 7925463661. The reversal of 7925463658 is 8563645297.

It is a junction number, because it is equal to n+sod(n) for n = 7925463599 and 7925463608.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9130285 + ... + 9131152.

It is an arithmetic number, because the mean of its divisors is an integer number (876549024).

Almost surely, 2^7925463658 is an apocalyptic number.

7925463658 is a deficient number, since it is larger than the sum of its proper divisors (6099320726).

7925463658 is a wasteful number, since it uses less digits than its factorization.

7925463658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18261477.

The product of its digits is 10886400, while the sum is 55.

The square root of 7925463658 is about 89025.0731985096. The cubic root of 7925463658 is about 1993.7692471840.

The spelling of 7925463658 in words is "seven billion, nine hundred twenty-five million, four hundred sixty-three thousand, six hundred fifty-eight".