8122691074 has 8 divisors (see below), whose sum is σ = 12211173900. Its totient is φ = 4052299776.

The previous prime is 8122691053. The next prime is 8122691089. The reversal of 8122691074 is 4701962218.

It can be written as a sum of positive squares in 2 ways, for example, as 7863255625 + 259435449 = 88675^2 + 16107^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×8122691074² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4521759 + ... + 4523554.

Almost surely, 2^8122691074 is an apocalyptic number.

8122691074 is a deficient number, since it is larger than the sum of its proper divisors (4088482826).

8122691074 is a wasteful number, since it uses less digits than its factorization.

8122691074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9045764.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 8122691074 is about 90125.9733595150. The cubic root of 8122691074 is about 2010.1724292890.

The spelling of 8122691074 in words is "eight billion, one hundred twenty-two million, six hundred ninety-one thousand, seventy-four".