8734871640 has 64 divisors (see below), whose sum is σ = 28586856960. Its totient is φ = 2117544320.

The previous prime is 8734871627. The next prime is 8734871657. The reversal of 8734871640 is 461784378.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 8734871640.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3307344 + ... + 3309983.

It is an arithmetic number, because the mean of its divisors is an integer number (446669640).

Almost surely, 2^8734871640 is an apocalyptic number.

It is an amenable number.

8734871640 is an abundant number, since it is smaller than the sum of its proper divisors (19851985320).

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

8734871640 is a wasteful number, since it uses less digits than its factorization.

8734871640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6617352 (or 6617348 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 48.

The square root of 8734871640 is about 93460.5352006931. The cubic root of 8734871640 is about 2059.4543783861.

The spelling of 8734871640 in words is "eight billion, seven hundred thirty-four million, eight hundred seventy-one thousand, six hundred forty".