87377988977379 has 24 divisors (see below), whose sum is σ = 131099328425520. Its totient is φ = 58157580894336.

The previous prime is 87377988977369. The next prime is 87377988977387. The reversal of 87377988977379 is 97377988977378.

87377988977379 is a `hidden beast` number, since 8 + 7 + 3 + 77 + 98 + 8 + 9 + 77 + 379 = 666.

It is not a de Polignac number, because 87377988977379 - 2⁹ = 87377988976867 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87377988977379.

It is not an unprimeable number, because it can be changed into a prime (87377988977369) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 291244074 + ... + 291543935.

It is an arithmetic number, because the mean of its divisors is an integer number (5462472017730).

Almost surely, 2^{87377988977379} is an apocalyptic number.

87377988977379 is a deficient number, since it is larger than the sum of its proper divisors (43721339448141).

87377988977379 is an equidigital number, since it uses as much as digits as its factorization.

87377988977379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582788641 (or 582788629 counting only the distinct ones).

The product of its digits is 395210285568, while the sum is 99.

Subtracting 87377988977379 from its reverse (97377988977378), we obtain a palindrome (9999999999999).

The spelling of 87377988977379 in words is "eighty-seven trillion, three hundred seventy-seven billion, nine hundred eighty-eight million, nine hundred seventy-seven thousand, three hundred seventy-nine".