84987473501 has 8 divisors (see below), whose sum is σ = 97132062720. Its totient is φ = 72843764688.

The previous prime is 84987473497. The next prime is 84987473503. The reversal of 84987473501 is 10537478948.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84987473501 - 2² = 84987473497 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84987473503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1655 + ... + 412283.

It is an arithmetic number, because the mean of its divisors is an integer number (12141507840).

Almost surely, 2^84987473501 is an apocalyptic number.

It is an amenable number.

84987473501 is a deficient number, since it is larger than the sum of its proper divisors (12144589219).

84987473501 is a wasteful number, since it uses less digits than its factorization.

84987473501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440203.

The product of its (nonzero) digits is 6773760, while the sum is 56.

The spelling of 84987473501 in words is "eighty-four billion, nine hundred eighty-seven million, four hundred seventy-three thousand, five hundred one".