8706949418 has 4 divisors (see below), whose sum is σ = 13060424130. Its totient is φ = 4353474708.

The previous prime is 8706949411. The next prime is 8706949469. The reversal of 8706949418 is 8149496078.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8149496078 = 2 ⋅4074748039.

It can be written as a sum of positive squares in only one way, i.e., 4434627649 + 4272321769 = 66593^2 + 65363^2 .

It is a super-2 number, since 2×8706949418² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8706949411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2176737353 + ... + 2176737356.

Almost surely, 2^8706949418 is an apocalyptic number.

8706949418 is a deficient number, since it is larger than the sum of its proper divisors (4353474712).

8706949418 is a wasteful number, since it uses less digits than its factorization.

8706949418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4353474711.

The product of its (nonzero) digits is 3483648, while the sum is 56.

The square root of 8706949418 is about 93311.0358853657. The cubic root of 8706949418 is about 2057.2575926173.

The spelling of 8706949418 in words is "eight billion, seven hundred six million, nine hundred forty-nine thousand, four hundred eighteen".