87372380787 has 8 divisors (see below), whose sum is σ = 123349243536. Its totient is φ = 54821885952.

The previous prime is 87372380779. The next prime is 87372380813. The reversal of 87372380787 is 78708327378.

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

It is not a de Polignac number, because 87372380787 - 2³ = 87372380779 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87372380787.

It is not an unprimeable number, because it can be changed into a prime (87372384787) 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, 856591918 + ... + 856592019.

It is an arithmetic number, because the mean of its divisors is an integer number (15418655442).

Almost surely, 2^87372380787 is an apocalyptic number.

87372380787 is a deficient number, since it is larger than the sum of its proper divisors (35976862749).

87372380787 is a wasteful number, since it uses less digits than its factorization.

87372380787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713183957.

The product of its (nonzero) digits is 22127616, while the sum is 60.

The spelling of 87372380787 in words is "eighty-seven billion, three hundred seventy-two million, three hundred eighty thousand, seven hundred eighty-seven".