87905361399 has 8 divisors (see below), whose sum is σ = 117389432832. Its totient is φ = 58512432120.

The previous prime is 87905361329. The next prime is 87905361431. The reversal of 87905361399 is 99316350978.

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

It is not a de Polignac number, because 87905361399 - 2⁹ = 87905360887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87905361329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22783287 + ... + 22787144.

It is an arithmetic number, because the mean of its divisors is an integer number (14673679104).

Almost surely, 2^87905361399 is an apocalyptic number.

87905361399 is a deficient number, since it is larger than the sum of its proper divisors (29484071433).

87905361399 is a wasteful number, since it uses less digits than its factorization.

87905361399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45571077.

The product of its (nonzero) digits is 11022480, while the sum is 60.

The spelling of 87905361399 in words is "eighty-seven billion, nine hundred five million, three hundred sixty-one thousand, three hundred ninety-nine".