379213687 has 2 divisors, whose sum is σ = 379213688. Its totient is φ = 379213686.

The previous prime is 379213621. The next prime is 379213711. The reversal of 379213687 is 786312973.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-379213687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (379213487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189606843 + 189606844.

It is an arithmetic number, because the mean of its divisors is an integer number (189606844).

Almost surely, 2^379213687 is an apocalyptic number.

379213687 is a deficient number, since it is larger than the sum of its proper divisors (1).

379213687 is an equidigital number, since it uses as much as digits as its factorization.

379213687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 46.

The square root of 379213687 is about 19473.4097425181. The cubic root of 379213687 is about 723.8157039074.

The spelling of 379213687 in words is "three hundred seventy-nine million, two hundred thirteen thousand, six hundred eighty-seven".