7672649986 has 4 divisors (see below), whose sum is σ = 11508974982. Its totient is φ = 3836324992.

The previous prime is 7672649953. The next prime is 7672650043. The reversal of 7672649986 is 6899462767.

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., 6381613225 + 1291036761 = 79885^2 + 35931^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1918162495 + ... + 1918162498.

Almost surely, 2^7672649986 is an apocalyptic number.

7672649986 is a deficient number, since it is larger than the sum of its proper divisors (3836324996).

7672649986 is a wasteful number, since it uses less digits than its factorization.

7672649986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3836324995.

The product of its digits is 54867456, while the sum is 64.

The square root of 7672649986 is about 87593.6640745208. The cubic root of 7672649986 is about 1972.3400595003.

It can be divided in two parts, 767 and 2649986, that added together give a triangular number (2650753 = T₂₃₀₂).

The spelling of 7672649986 in words is "seven billion, six hundred seventy-two million, six hundred forty-nine thousand, nine hundred eighty-six".