87872020311 has 8 divisors (see below), whose sum is σ = 118057065984. Its totient is φ = 58134160760.

The previous prime is 87872020309. The next prime is 87872020321. The reversal of 87872020311 is 11302027878.

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

It is a cyclic number.

It is not a de Polignac number, because 87872020311 - 2¹ = 87872020309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87872020311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87872020321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111796071 + ... + 111796856.

It is an arithmetic number, because the mean of its divisors is an integer number (14757133248).

Almost surely, 2^87872020311 is an apocalyptic number.

87872020311 is a deficient number, since it is larger than the sum of its proper divisors (30185045673).

87872020311 is a wasteful number, since it uses less digits than its factorization.

87872020311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223593061.

The product of its (nonzero) digits is 37632, while the sum is 39.

The spelling of 87872020311 in words is "eighty-seven billion, eight hundred seventy-two million, twenty thousand, three hundred eleven".