90714017680 has 80 divisors (see below), whose sum is σ = 247782515904. Its totient is φ = 30449456640.

The previous prime is 90714017663. The next prime is 90714017689. The reversal of 90714017680 is 8671041709.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (90714017689) 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 15 ways as a sum of consecutive naturals, for example, 3953334 + ... + 3976213.

Almost surely, 2^90714017680 is an apocalyptic number.

It is an amenable number.

90714017680 is an abundant number, since it is smaller than the sum of its proper divisors (157068498224).

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

90714017680 is a wasteful number, since it uses less digits than its factorization.

90714017680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7929584 (or 7929578 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 43.

The spelling of 90714017680 in words is "ninety billion, seven hundred fourteen million, seventeen thousand, six hundred eighty".