7905442687292 has 6 divisors (see below), whose sum is σ = 13834524702768. Its totient is φ = 3952721343644.

The previous prime is 7905442687267. The next prime is 7905442687369. The reversal of 7905442687292 is 2927862445097.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 988180335908 + ... + 988180335915.

It is an arithmetic number, because the mean of its divisors is an integer number (2305754117128).

Almost surely, 2^{7905442687292} is an apocalyptic number.

It is an amenable number.

7905442687292 is a deficient number, since it is larger than the sum of its proper divisors (5929082015476).

7905442687292 is a wasteful number, since it uses less digits than its factorization.

7905442687292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976360671827 (or 1976360671825 counting only the distinct ones).

The product of its (nonzero) digits is 121927680, while the sum is 65.

The spelling of 7905442687292 in words is "seven trillion, nine hundred five billion, four hundred forty-two million, six hundred eighty-seven thousand, two hundred ninety-two".