7990626814 has 16 divisors (see below), whose sum is σ = 12641892480. Its totient is φ = 3777499800.

The previous prime is 7990626727. The next prime is 7990626823. The reversal of 7990626814 is 4186260997.

It is a happy number.

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, 189912 + ... + 228139.

It is an arithmetic number, because the mean of its divisors is an integer number (790118280).

Almost surely, 2^7990626814 is an apocalyptic number.

7990626814 is a deficient number, since it is larger than the sum of its proper divisors (4651265666).

7990626814 is a wasteful number, since it uses less digits than its factorization.

7990626814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418575.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The square root of 7990626814 is about 89390.3060404203. The cubic root of 7990626814 is about 1999.2185959103.

The spelling of 7990626814 in words is "seven billion, nine hundred ninety million, six hundred twenty-six thousand, eight hundred fourteen".