87587076421 has 8 divisors (see below), whose sum is σ = 95923265760. Its totient is φ = 79479275952.

The previous prime is 87587076419. The next prime is 87587076433. The reversal of 87587076421 is 12467078578.

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 87587076421 - 2¹ = 87587076419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87587076491) 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, 57096415 + ... + 57097948.

It is an arithmetic number, because the mean of its divisors is an integer number (11990408220).

Almost surely, 2^87587076421 is an apocalyptic number.

It is an amenable number.

87587076421 is a deficient number, since it is larger than the sum of its proper divisors (8336189339).

87587076421 is a wasteful number, since it uses less digits than its factorization.

87587076421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114194435.

The product of its (nonzero) digits is 5268480, while the sum is 55.

The spelling of 87587076421 in words is "eighty-seven billion, five hundred eighty-seven million, seventy-six thousand, four hundred twenty-one".