7905993212 has 24 divisors (see below), whose sum is σ = 14909765472. Its totient is φ = 3646468800.

The previous prime is 7905993203. The next prime is 7905993239. The reversal of 7905993212 is 2123995097.

It is a congruent number.

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, 28262 + ... + 128882.

It is an arithmetic number, because the mean of its divisors is an integer number (621240228).

Almost surely, 2^7905993212 is an apocalyptic number.

It is an amenable number.

7905993212 is a deficient number, since it is larger than the sum of its proper divisors (7003772260).

7905993212 is a wasteful number, since it uses less digits than its factorization.

7905993212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102149 (or 102147 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 47.

The square root of 7905993212 is about 88915.6522328887. The cubic root of 7905993212 is about 1992.1352141111.

It can be divided in two parts, 79059 and 93212, that added together give a palindrome (172271).

The spelling of 7905993212 in words is "seven billion, nine hundred five million, nine hundred ninety-three thousand, two hundred twelve".