7625238986 has 4 divisors (see below), whose sum is σ = 11437858482. Its totient is φ = 3812619492.

The previous prime is 7625238953. The next prime is 7625238991. The reversal of 7625238986 is 6898325267.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7364900761 + 260338225 = 85819^2 + 16135^2 .

It is a super-2 number, since 2×7625238986² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1906309745 + ... + 1906309748.

Almost surely, 2^7625238986 is an apocalyptic number.

7625238986 is a deficient number, since it is larger than the sum of its proper divisors (3812619496).

7625238986 is a wasteful number, since it uses less digits than its factorization.

7625238986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3812619495.

The product of its digits is 8709120, while the sum is 56.

The square root of 7625238986 is about 87322.6144019978. The cubic root of 7625238986 is about 1968.2691545650.

The spelling of 7625238986 in words is "seven billion, six hundred twenty-five million, two hundred thirty-eight thousand, nine hundred eighty-six".