378035133581 has 8 divisors (see below), whose sum is σ = 434901346944. Its totient is φ = 321884218800.

The previous prime is 378035133577. The next prime is 378035133587. The reversal of 378035133581 is 185331530873.

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 378035133581 - 2² = 378035133577 is a prime.

It is a super-2 number, since 2×378035133581² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378035133587) 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, 178823510 + ... + 178825623.

It is an arithmetic number, because the mean of its divisors is an integer number (54362668368).

Almost surely, 2^378035133581 is an apocalyptic number.

It is an amenable number.

378035133581 is a deficient number, since it is larger than the sum of its proper divisors (56866213363).

378035133581 is a wasteful number, since it uses less digits than its factorization.

378035133581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357649291.

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 378035133581 in words is "three hundred seventy-eight billion, thirty-five million, one hundred thirty-three thousand, five hundred eighty-one".