84900578816 has 20 divisors (see below), whose sum is σ = 169635337212. Its totient is φ = 42450289152.

The previous prime is 84900578797. The next prime is 84900578831. The reversal of 84900578816 is 61887500948.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82910210 + ... + 82911233.

Almost surely, 2^84900578816 is an apocalyptic number.

It is an amenable number.

84900578816 is a deficient number, since it is larger than the sum of its proper divisors (84734758396).

84900578816 is an equidigital number, since it uses as much as digits as its factorization.

84900578816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165821461 (or 165821445 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 56.

The spelling of 84900578816 in words is "eighty-four billion, nine hundred million, five hundred seventy-eight thousand, eight hundred sixteen".