7138578876377 has 8 divisors (see below), whose sum is σ = 7688363966976. Its totient is φ = 6588888591312.

The previous prime is 7138578876367. The next prime is 7138578876379. The reversal of 7138578876377 is 7736788758317.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7138578876377 is a prime.

It is a super-3 number, since 3×7138578876377³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7138578876298 and 7138578876307.

It is not an unprimeable number, because it can be changed into a prime (7138578876379) 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, 23544953 + ... + 23846214.

It is an arithmetic number, because the mean of its divisors is an integer number (961045495872).

Almost surely, 2^{7138578876377} is an apocalyptic number.

It is an amenable number.

7138578876377 is a deficient number, since it is larger than the sum of its proper divisors (549785090599).

7138578876377 is a wasteful number, since it uses less digits than its factorization.

7138578876377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47402767.

The product of its digits is 2323399680, while the sum is 77.

The spelling of 7138578876377 in words is "seven trillion, one hundred thirty-eight billion, five hundred seventy-eight million, eight hundred seventy-six thousand, three hundred seventy-seven".