378516097 has 4 divisors (see below), whose sum is σ = 383307520. Its totient is φ = 373724676.

The previous prime is 378516071. The next prime is 378516113. The reversal of 378516097 is 790615873.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 790615873 = 1171 ⋅675163.

It is a cyclic number.

It is not a de Polignac number, because 378516097 - 2¹¹ = 378514049 is a prime.

It is a super-2 number, since 2×378516097² = 286548871376226818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378516197) 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, 2395593 + ... + 2395750.

It is an arithmetic number, because the mean of its divisors is an integer number (95826880).

Almost surely, 2^378516097 is an apocalyptic number.

It is an amenable number.

378516097 is a deficient number, since it is larger than the sum of its proper divisors (4791423).

378516097 is an equidigital number, since it uses as much as digits as its factorization.

378516097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4791422.

The product of its (nonzero) digits is 317520, while the sum is 46.

The square root of 378516097 is about 19455.4901505976. The cubic root of 378516097 is about 723.3715949992.

The spelling of 378516097 in words is "three hundred seventy-eight million, five hundred sixteen thousand, ninety-seven".