8746474644 has 36 divisors (see below), whose sum is σ = 22357569780. Its totient is φ = 2882732160.

The previous prime is 8746474631. The next prime is 8746474657. The reversal of 8746474644 is 4464746478.

It is an interprime number because it is at equal distance from previous prime (8746474631) and next prime (8746474657).

It can be written as a sum of positive squares in 2 ways, for example, as 2852841744 + 5893632900 = 53412^2 + 76770^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1361727 + ... + 1368134.

It is an arithmetic number, because the mean of its divisors is an integer number (621043605).

Almost surely, 2^8746474644 is an apocalyptic number.

It is an amenable number.

8746474644 is an abundant number, since it is smaller than the sum of its proper divisors (13611095136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8746474644 is a wasteful number, since it uses less digits than its factorization.

8746474644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2729960 (or 2729955 counting only the distinct ones).

The product of its digits is 14450688, while the sum is 54.

The square root of 8746474644 is about 93522.5889504776. The cubic root of 8746474644 is about 2060.3658699132.

The spelling of 8746474644 in words is "eight billion, seven hundred forty-six million, four hundred seventy-four thousand, six hundred forty-four".