67577023752378 has 96 divisors (see below), whose sum is σ = 158193025380864. Its totient is φ = 19188241214688.

The previous prime is 67577023752367. The next prime is 67577023752379. The reversal of 67577023752378 is 87325732077576.

It is not an unprimeable number, because it can be changed into a prime (67577023752379) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1621036651 + ... + 1621078337.

It is an arithmetic number, because the mean of its divisors is an integer number (1647844014384).

Almost surely, 2^{67577023752378} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67577023752378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79096512690432).

67577023752378 is an abundant number, since it is smaller than the sum of its proper divisors (90616001628486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67577023752378 is a wasteful number, since it uses less digits than its factorization.

67577023752378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75696 (or 75689 counting only the distinct ones).

The product of its (nonzero) digits is 726062400, while the sum is 69.

The spelling of 67577023752378 in words is "sixty-seven trillion, five hundred seventy-seven billion, twenty-three million, seven hundred fifty-two thousand, three hundred seventy-eight".