378701775 has 72 divisors (see below), whose sum is σ = 723484944. Its totient is φ = 188697600.

The previous prime is 378701773. The next prime is 378701779. The reversal of 378701775 is 577107873.

378701775 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 378701775 - 2¹ = 378701773 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 378701775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378701773) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 692052 + ... + 692598.

It is an arithmetic number, because the mean of its divisors is an integer number (10048402).

Almost surely, 2^378701775 is an apocalyptic number.

378701775 is a deficient number, since it is larger than the sum of its proper divisors (344783169).

378701775 is a wasteful number, since it uses less digits than its factorization.

378701775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761 (or 753 counting only the distinct ones).

The product of its (nonzero) digits is 288120, while the sum is 45.

The square root of 378701775 is about 19460.2614319541. The cubic root of 378701775 is about 723.4898570192.

The spelling of 378701775 in words is "three hundred seventy-eight million, seven hundred one thousand, seven hundred seventy-five".