84512633901 has 4 divisors (see below), whose sum is σ = 112683511872. Its totient is φ = 56341755932.

The previous prime is 84512633879. The next prime is 84512633903. The reversal of 84512633901 is 10933621548.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84512633901 - 2⁷ = 84512633773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84512633903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14085438981 + ... + 14085438986.

It is an arithmetic number, because the mean of its divisors is an integer number (28170877968).

Almost surely, 2^84512633901 is an apocalyptic number.

It is an amenable number.

84512633901 is a deficient number, since it is larger than the sum of its proper divisors (28170877971).

84512633901 is a wasteful number, since it uses less digits than its factorization.

84512633901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28170877970.

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 84512633901 in words is "eighty-four billion, five hundred twelve million, six hundred thirty-three thousand, nine hundred one".