378101873 has 4 divisors (see below), whose sum is σ = 378221220. Its totient is φ = 377982528.

The previous prime is 378101863. The next prime is 378101897.

378101873 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 276656689 + 101445184 = 16633^2 + 10072^2 .

It is a cyclic number.

It is not a de Polignac number, because 378101873 - 2⁸ = 378101617 is a prime.

It is a super-2 number, since 2×378101873² = 285922052732216258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378101833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54788 + ... + 61301.

It is an arithmetic number, because the mean of its divisors is an integer number (94555305).

Almost surely, 2^378101873 is an apocalyptic number.

It is an amenable number.

378101873 is a deficient number, since it is larger than the sum of its proper divisors (119347).

378101873 is a wasteful number, since it uses less digits than its factorization.

378101873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119346.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 378101873 is about 19444.8418095905. The cubic root of 378101873 is about 723.1076280275.

The spelling of 378101873 in words is "three hundred seventy-eight million, one hundred one thousand, eight hundred seventy-three".