378835026601 has 4 divisors (see below), whose sum is σ = 382513036672. Its totient is φ = 375157016532.

The previous prime is 378835026589. The next prime is 378835026631. The reversal of 378835026601 is 106620538873.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 378835026601 - 2¹³ = 378835018409 is a prime.

It is a super-2 number, since 2×378835026601² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378835026631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1839004881 + ... + 1839005086.

It is an arithmetic number, because the mean of its divisors is an integer number (95628259168).

Almost surely, 2^378835026601 is an apocalyptic number.

It is an amenable number.

378835026601 is a deficient number, since it is larger than the sum of its proper divisors (3678010071).

378835026601 is a wasteful number, since it uses less digits than its factorization.

378835026601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3678010070.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 378835026601 in words is "three hundred seventy-eight billion, eight hundred thirty-five million, twenty-six thousand, six hundred one".