87437726313 has 32 divisors (see below), whose sum is σ = 136463450112. Its totient is φ = 48764913600.

The previous prime is 87437726309. The next prime is 87437726333. The reversal of 87437726313 is 31362773478.

It is not a de Polignac number, because 87437726313 - 2² = 87437726309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87437726333) 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 31 ways as a sum of consecutive naturals, for example, 6928 + ... + 418238.

It is an arithmetic number, because the mean of its divisors is an integer number (4264482816).

Almost surely, 2^87437726313 is an apocalyptic number.

It is an amenable number.

87437726313 is a deficient number, since it is larger than the sum of its proper divisors (49025723799).

87437726313 is a wasteful number, since it uses less digits than its factorization.

87437726313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411565.

The product of its digits is 3556224, while the sum is 51.

The spelling of 87437726313 in words is "eighty-seven billion, four hundred thirty-seven million, seven hundred twenty-six thousand, three hundred thirteen".