925940215988 has 12 divisors (see below), whose sum is σ = 1621788675360. Its totient is φ = 462572023032.

The previous prime is 925940215969. The next prime is 925940216009. The reversal of 925940215988 is 889512049529.

It is a happy number.

It is a super-2 number, since 2×925940215988² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 925940215988.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99516008 + ... + 99525311.

It is an arithmetic number, because the mean of its divisors is an integer number (135149056280).

Almost surely, 2^925940215988 is an apocalyptic number.

It is an amenable number.

925940215988 is a deficient number, since it is larger than the sum of its proper divisors (695848459372).

925940215988 is a wasteful number, since it uses less digits than its factorization.

925940215988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199042486 (or 199042484 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 62.

The spelling of 925940215988 in words is "nine hundred twenty-five billion, nine hundred forty million, two hundred fifteen thousand, nine hundred eighty-eight".