378717073428 has 36 divisors (see below), whose sum is σ = 912207347072. Its totient is φ = 122162969040.

The previous prime is 378717073387. The next prime is 378717073429. The reversal of 378717073428 is 824370717873.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378717073429) 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 11 ways as a sum of consecutive naturals, for example, 11853451 + ... + 11885357.

Almost surely, 2^378717073428 is an apocalyptic number.

It is an amenable number.

378717073428 is an abundant number, since it is smaller than the sum of its proper divisors (533490273644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

378717073428 is an frugal number, since it uses more digits than its factorization.

378717073428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63852 (or 31943 counting only the distinct ones).

The product of its (nonzero) digits is 11063808, while the sum is 57.

The spelling of 378717073428 in words is "three hundred seventy-eight billion, seven hundred seventeen million, seventy-three thousand, four hundred twenty-eight".