8890661474 has 4 divisors (see below), whose sum is σ = 13335992214. Its totient is φ = 4445330736.

The previous prime is 8890661453. The next prime is 8890661531. The reversal of 8890661474 is 4741660988.

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., 7544138449 + 1346523025 = 86857^2 + 36695^2 .

It is a super-2 number, since 2×8890661474² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2222665367 + ... + 2222665370.

Almost surely, 2^8890661474 is an apocalyptic number.

8890661474 is a deficient number, since it is larger than the sum of its proper divisors (4445330740).

8890661474 is a wasteful number, since it uses less digits than its factorization.

8890661474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4445330739.

The product of its (nonzero) digits is 2322432, while the sum is 53.

The square root of 8890661474 is about 94290.3042417406. The cubic root of 8890661474 is about 2071.6260240026.

The spelling of 8890661474 in words is "eight billion, eight hundred ninety million, six hundred sixty-one thousand, four hundred seventy-four".