47692387 has 2 divisors, whose sum is σ = 47692388. Its totient is φ = 47692386.

The previous prime is 47692373. The next prime is 47692391. The reversal of 47692387 is 78329674.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47692387 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (47692487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23846193 + 23846194.

It is an arithmetic number, because the mean of its divisors is an integer number (23846194).

Almost surely, 2^47692387 is an apocalyptic number.

47692387 is a deficient number, since it is larger than the sum of its proper divisors (1).

47692387 is an equidigital number, since it uses as much as digits as its factorization.

47692387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 46.

The square root of 47692387 is about 6905.9674919594. The cubic root of 47692387 is about 362.6461070959.

The spelling of 47692387 in words is "forty-seven million, six hundred ninety-two thousand, three hundred eighty-seven".