84661542748 has 48 divisors (see below), whose sum is σ = 157285961728. Its totient is φ = 39803400000.

The previous prime is 84661542731. The next prime is 84661542751. The reversal of 84661542748 is 84724516648.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3433303 + ... + 3457873.

Almost surely, 2^84661542748 is an apocalyptic number.

It is an amenable number.

84661542748 is a deficient number, since it is larger than the sum of its proper divisors (72624418980).

84661542748 is a wasteful number, since it uses less digits than its factorization.

84661542748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25394 (or 25392 counting only the distinct ones).

The product of its digits is 10321920, while the sum is 55.

The spelling of 84661542748 in words is "eighty-four billion, six hundred sixty-one million, five hundred forty-two thousand, seven hundred forty-eight".