3870990047 has 2 divisors, whose sum is σ = 3870990048. Its totient is φ = 3870990046.

The previous prime is 3870989957. The next prime is 3870990073. The reversal of 3870990047 is 7400990783.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3870990047 - 2¹⁴ = 3870973663 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3870989983 and 3870990010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3870990947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1935495023 + 1935495024.

It is an arithmetic number, because the mean of its divisors is an integer number (1935495024).

Almost surely, 2^3870990047 is an apocalyptic number.

3870990047 is a deficient number, since it is larger than the sum of its proper divisors (1).

3870990047 is an equidigital number, since it uses as much as digits as its factorization.

3870990047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 3870990047 is about 62217.2809354443. The cubic root of 3870990047 is about 1570.1483418329.

The spelling of 3870990047 in words is "three billion, eight hundred seventy million, nine hundred ninety thousand, forty-seven".