7942786258 has 24 divisors (see below), whose sum is σ = 13717371600. Its totient is φ = 3420335160.

The previous prime is 7942786253. The next prime is 7942786261. The reversal of 7942786258 is 8526872497.

It is a happy number.

7942786258 is a modest number, since divided by 786258 gives 7942 as remainder.

It is not an unprimeable number, because it can be changed into a prime (7942786253) 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, 492108 + ... + 507991.

It is an arithmetic number, because the mean of its divisors is an integer number (571557150).

Almost surely, 2^7942786258 is an apocalyptic number.

7942786258 is a deficient number, since it is larger than the sum of its proper divisors (5774585342).

7942786258 is a wasteful number, since it uses less digits than its factorization.

7942786258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000150 (or 1000131 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 58.

The square root of 7942786258 is about 89122.3106634921. The cubic root of 7942786258 is about 1995.2207767762.

The spelling of 7942786258 in words is "seven billion, nine hundred forty-two million, seven hundred eighty-six thousand, two hundred fifty-eight".