7798200266 has 4 divisors (see below), whose sum is σ = 11697300402. Its totient is φ = 3899100132.

The previous prime is 7798200259. The next prime is 7798200269. The reversal of 7798200266 is 6620028977.

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., 7664127025 + 134073241 = 87545^2 + 11579^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7798200266.

It is not an unprimeable number, because it can be changed into a prime (7798200269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1949550065 + ... + 1949550068.

Almost surely, 2^7798200266 is an apocalyptic number.

7798200266 is a deficient number, since it is larger than the sum of its proper divisors (3899100136).

7798200266 is a wasteful number, since it uses less digits than its factorization.

7798200266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3899100135.

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 7798200266 is about 88307.4190880925. The cubic root of 7798200266 is about 1983.0399402240.

The spelling of 7798200266 in words is "seven billion, seven hundred ninety-eight million, two hundred thousand, two hundred sixty-six".