87238341782 has 4 divisors (see below), whose sum is σ = 130857512676. Its totient is φ = 43619170890.

The previous prime is 87238341761. The next prime is 87238341791. The reversal of 87238341782 is 28714383278.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×87238341782² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21809585444 + ... + 21809585447.

It is an arithmetic number, because the mean of its divisors is an integer number (32714378169).

Almost surely, 2^87238341782 is an apocalyptic number.

87238341782 is a deficient number, since it is larger than the sum of its proper divisors (43619170894).

87238341782 is a wasteful number, since it uses less digits than its factorization.

87238341782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43619170893.

The product of its digits is 3612672, while the sum is 53.

The spelling of 87238341782 in words is "eighty-seven billion, two hundred thirty-eight million, three hundred forty-one thousand, seven hundred eighty-two".