378033737081 has 48 divisors (see below), whose sum is σ = 511664372352. Its totient is φ = 271779805440.

The previous prime is 378033737023. The next prime is 378033737083. The reversal of 378033737081 is 180737330873.

It is not a de Polignac number, because 378033737081 - 2²⁶ = 377966628217 is a prime.

It is a super-2 number, since 2×378033737081² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (378033737083) 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, 26342150 + ... + 26356496.

It is an arithmetic number, because the mean of its divisors is an integer number (10659674424).

Almost surely, 2^378033737081 is an apocalyptic number.

It is an amenable number.

378033737081 is a deficient number, since it is larger than the sum of its proper divisors (133630635271).

378033737081 is a wasteful number, since it uses less digits than its factorization.

378033737081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16782 (or 16771 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 50.

The spelling of 378033737081 in words is "three hundred seventy-eight billion, thirty-three million, seven hundred thirty-seven thousand, eighty-one".