7628798314 has 16 divisors (see below), whose sum is σ = 12158267400. Its totient is φ = 3590018112.

The previous prime is 7628798267. The next prime is 7628798347. The reversal of 7628798314 is 4138978267.

It can be written as a sum of positive squares in 4 ways, for example, as 6811696089 + 817102225 = 82533^2 + 28585^2 .

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, 378369 + ... + 398020.

Almost surely, 2^7628798314 is an apocalyptic number.

7628798314 is a deficient number, since it is larger than the sum of its proper divisors (4529469086).

7628798314 is an equidigital number, since it uses as much as digits as its factorization.

7628798314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776442 (or 776408 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 55.

The square root of 7628798314 is about 87342.9923577158. The cubic root of 7628798314 is about 1968.5753581153.

The spelling of 7628798314 in words is "seven billion, six hundred twenty-eight million, seven hundred ninety-eight thousand, three hundred fourteen".