87781130935 has 8 divisors (see below), whose sum is σ = 108735336576. Its totient is φ = 67959585120.

The previous prime is 87781130933. The next prime is 87781130959. The reversal of 87781130935 is 53903118778.

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

It is not a de Polignac number, because 87781130935 - 2¹ = 87781130933 is a prime.

It is a super-2 number, since 2×87781130935² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87781130933) by changing a digit.

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, 283164784 + ... + 283165093.

It is an arithmetic number, because the mean of its divisors is an integer number (13591917072).

Almost surely, 2^87781130935 is an apocalyptic number.

87781130935 is a deficient number, since it is larger than the sum of its proper divisors (20954205641).

87781130935 is a wasteful number, since it uses less digits than its factorization.

87781130935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566329913.

The product of its (nonzero) digits is 1270080, while the sum is 52.

The spelling of 87781130935 in words is "eighty-seven billion, seven hundred eighty-one million, one hundred thirty thousand, nine hundred thirty-five".