378354755 has 8 divisors (see below), whose sum is σ = 454794912. Its totient is φ = 302171008.

The previous prime is 378354751. The next prime is 378354797. The reversal of 378354755 is 557453873.

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 378354755 - 2² = 378354751 is a prime.

It is a super-2 number, since 2×378354755² = 286304641262220050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378354751) 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, 60839 + ... + 66768.

It is an arithmetic number, because the mean of its divisors is an integer number (56849364).

Almost surely, 2^378354755 is an apocalyptic number.

378354755 is a deficient number, since it is larger than the sum of its proper divisors (76440157).

378354755 is a wasteful number, since it uses less digits than its factorization.

378354755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128205.

The product of its digits is 1764000, while the sum is 47.

The square root of 378354755 is about 19451.3432698104. The cubic root of 378354755 is about 723.2688016550.

The spelling of 378354755 in words is "three hundred seventy-eight million, three hundred fifty-four thousand, seven hundred fifty-five".