68377234281590 has 32 divisors (see below), whose sum is σ = 136822336793856. Its totient is φ = 24432560138880.

The previous prime is 68377234281563. The next prime is 68377234281641. The reversal of 68377234281590 is 9518243277386.

It is a Harshad number since it is a multiple of its sum of digits (65).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8483523797 + ... + 8483531856.

It is an arithmetic number, because the mean of its divisors is an integer number (4275698024808).

It is a 1-persistent number, because it is pandigital, but 2⋅68377234281590 = 136754468563180 is not.

Almost surely, 2^{68377234281590} is an apocalyptic number.

68377234281590 is an abundant number, since it is smaller than the sum of its proper divisors (68445102512266).

68377234281590 is a wasteful number, since it uses less digits than its factorization.

68377234281590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16967055704.

The product of its (nonzero) digits is 121927680, while the sum is 65.

The spelling of 68377234281590 in words is "sixty-eight trillion, three hundred seventy-seven billion, two hundred thirty-four million, two hundred eighty-one thousand, five hundred ninety".