84881553201 has 6 divisors (see below), whose sum is σ = 122606687970. Its totient is φ = 56587702128.

The previous prime is 84881553191. The next prime is 84881553209. The reversal of 84881553201 is 10235518848.

It can be written as a sum of positive squares in only one way, i.e., 82495328400 + 2386224801 = 287220^2 + 48849^2 .

It is not a de Polignac number, because 84881553201 - 2⁶ = 84881553137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84881553209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4715641836 + ... + 4715641853.

It is an arithmetic number, because the mean of its divisors is an integer number (20434447995).

Almost surely, 2^84881553201 is an apocalyptic number.

It is an amenable number.

84881553201 is a deficient number, since it is larger than the sum of its proper divisors (37725134769).

84881553201 is a wasteful number, since it uses less digits than its factorization.

84881553201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9431283695 (or 9431283692 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 45.

The spelling of 84881553201 in words is "eighty-four billion, eight hundred eighty-one million, five hundred fifty-three thousand, two hundred one".