87621427430 has 16 divisors (see below), whose sum is σ = 161074284480. Its totient is φ = 34302856512.

The previous prime is 87621427427. The next prime is 87621427441. The reversal of 87621427430 is 3472412678.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93213815 + ... + 93214754.

It is an arithmetic number, because the mean of its divisors is an integer number (10067142780).

Almost surely, 2^87621427430 is an apocalyptic number.

87621427430 is a deficient number, since it is larger than the sum of its proper divisors (73452857050).

87621427430 is a wasteful number, since it uses less digits than its factorization.

87621427430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186428623.

The product of its (nonzero) digits is 451584, while the sum is 44.

The spelling of 87621427430 in words is "eighty-seven billion, six hundred twenty-one million, four hundred twenty-seven thousand, four hundred thirty".