87376421 has 8 divisors (see below), whose sum is σ = 100336800. Its totient is φ = 75252240.

The previous prime is 87376411. The next prime is 87376427. The reversal of 87376421 is 12467378.

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 87376421 - 2⁶ = 87376357 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 (87376427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208826 + ... + 209243.

It is an arithmetic number, because the mean of its divisors is an integer number (12542100).

Almost surely, 2^87376421 is an apocalyptic number.

It is an amenable number.

87376421 is a deficient number, since it is larger than the sum of its proper divisors (12960379).

87376421 is a wasteful number, since it uses less digits than its factorization.

87376421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418099.

The product of its digits is 56448, while the sum is 38.

The square root of 87376421 is about 9347.5355575681. The cubic root of 87376421 is about 443.7428999459.

The spelling of 87376421 in words is "eighty-seven million, three hundred seventy-six thousand, four hundred twenty-one".