87731703790 has 8 divisors (see below), whose sum is σ = 157917066840. Its totient is φ = 35092681512.

The previous prime is 87731703781. The next prime is 87731703799. The reversal of 87731703790 is 9730713778.

It is an interprime number because it is at equal distance from previous prime (87731703781) and next prime (87731703799).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87731703799) 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 3 ways as a sum of consecutive naturals, for example, 4386585180 + ... + 4386585199.

It is an arithmetic number, because the mean of its divisors is an integer number (19739633355).

Almost surely, 2^87731703790 is an apocalyptic number.

87731703790 is a deficient number, since it is larger than the sum of its proper divisors (70185363050).

87731703790 is a wasteful number, since it uses less digits than its factorization.

87731703790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8773170386.

The product of its (nonzero) digits is 1555848, while the sum is 52.

The spelling of 87731703790 in words is "eighty-seven billion, seven hundred thirty-one million, seven hundred three thousand, seven hundred ninety".