47878067 has 4 divisors (see below), whose sum is σ = 47972640. Its totient is φ = 47783496.

The previous prime is 47878063. The next prime is 47878073. The reversal of 47878067 is 76087874.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76087874 = 2 ⋅38043937.

It is a cyclic number.

It is not a de Polignac number, because 47878067 - 2² = 47878063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47878063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46523 + ... + 47540.

It is an arithmetic number, because the mean of its divisors is an integer number (11993160).

Almost surely, 2^47878067 is an apocalyptic number.

47878067 is a deficient number, since it is larger than the sum of its proper divisors (94573).

47878067 is an equidigital number, since it uses as much as digits as its factorization.

47878067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94572.

The product of its (nonzero) digits is 526848, while the sum is 47.

The square root of 47878067 is about 6919.3978784284. The cubic root of 47878067 is about 363.1161257278.

The spelling of 47878067 in words is "forty-seven million, eight hundred seventy-eight thousand, sixty-seven".