378692997 has 4 divisors (see below), whose sum is σ = 504924000. Its totient is φ = 252461996.

The previous prime is 378692957. The next prime is 378693017. The reversal of 378692997 is 799296873.

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.

It is a cyclic number.

It is not a de Polignac number, because 378692997 - 2¹⁵ = 378660229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 378692997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378692917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63115497 + ... + 63115502.

It is an arithmetic number, because the mean of its divisors is an integer number (126231000).

Almost surely, 2^378692997 is an apocalyptic number.

It is an amenable number.

378692997 is a deficient number, since it is larger than the sum of its proper divisors (126231003).

378692997 is a wasteful number, since it uses less digits than its factorization.

378692997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126231002.

The product of its digits is 10287648, while the sum is 60.

The square root of 378692997 is about 19460.0358941087. The cubic root of 378692997 is about 723.4842670067.

The spelling of 378692997 in words is "three hundred seventy-eight million, six hundred ninety-two thousand, nine hundred ninety-seven".