378573487 has 2 divisors, whose sum is σ = 378573488. Its totient is φ = 378573486.

The previous prime is 378573479. The next prime is 378573523. The reversal of 378573487 is 784375873.

It is a weak prime.

It is an emirp because it is prime and its reverse (784375873) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 378573487 - 2³ = 378573479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378573427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189286743 + 189286744.

It is an arithmetic number, because the mean of its divisors is an integer number (189286744).

Almost surely, 2^378573487 is an apocalyptic number.

378573487 is a deficient number, since it is larger than the sum of its proper divisors (1).

378573487 is an equidigital number, since it uses as much as digits as its factorization.

378573487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3951360, while the sum is 52.

The square root of 378573487 is about 19456.9649997115. The cubic root of 378573487 is about 723.4081519631.

The spelling of 378573487 in words is "three hundred seventy-eight million, five hundred seventy-three thousand, four hundred eighty-seven".