87034639773 has 4 divisors (see below), whose sum is σ = 116046186368. Its totient is φ = 58023093180.

The previous prime is 87034639729. The next prime is 87034639777. The reversal of 87034639773 is 37793643078.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 87034639773 - 2¹³ = 87034631581 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87034639777) 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 3 ways as a sum of consecutive naturals, for example, 14505773293 + ... + 14505773298.

It is an arithmetic number, because the mean of its divisors is an integer number (29011546592).

Almost surely, 2^87034639773 is an apocalyptic number.

It is an amenable number.

87034639773 is a deficient number, since it is larger than the sum of its proper divisors (29011546595).

87034639773 is a wasteful number, since it uses less digits than its factorization.

87034639773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29011546594.

The product of its (nonzero) digits is 16003008, while the sum is 57.

The spelling of 87034639773 in words is "eighty-seven billion, thirty-four million, six hundred thirty-nine thousand, seven hundred seventy-three".