378079837691 has 8 divisors (see below), whose sum is σ = 379252895568. Its totient is φ = 376908084000.

The previous prime is 378079837669. The next prime is 378079837693. The reversal of 378079837691 is 196738970873.

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

It is a cyclic number.

It is not a de Polignac number, because 378079837691 - 2³⁸ = 103201930747 is a prime.

It is a super-2 number, since 2×378079837691² (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 (378079837693) 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, 256256 + ... + 906546.

It is an arithmetic number, because the mean of its divisors is an integer number (47406611946).

Almost surely, 2^378079837691 is an apocalyptic number.

378079837691 is a deficient number, since it is larger than the sum of its proper divisors (1173057877).

378079837691 is a wasteful number, since it uses less digits than its factorization.

378079837691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652093.

The product of its (nonzero) digits is 96018048, while the sum is 68.

The spelling of 378079837691 in words is "three hundred seventy-eight billion, seventy-nine million, eight hundred thirty-seven thousand, six hundred ninety-one".