87905351773 has 16 divisors (see below), whose sum is σ = 89500766976. Its totient is φ = 86321410560.

The previous prime is 87905351713. The next prime is 87905351861. The reversal of 87905351773 is 37715350978.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87905351773 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 (87905351713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16592661 + ... + 16597957.

It is an arithmetic number, because the mean of its divisors is an integer number (5593797936).

Almost surely, 2^87905351773 is an apocalyptic number.

It is an amenable number.

87905351773 is a deficient number, since it is larger than the sum of its proper divisors (1595415203).

87905351773 is a wasteful number, since it uses less digits than its factorization.

87905351773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6324.

The product of its (nonzero) digits is 5556600, while the sum is 55.

The spelling of 87905351773 in words is "eighty-seven billion, nine hundred five million, three hundred fifty-one thousand, seven hundred seventy-three".