47878007 has 8 divisors (see below), whose sum is σ = 49152000. Its totient is φ = 46614744.

The previous prime is 47877989. The next prime is 47878009. The reversal of 47878007 is 70087874.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47878007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47878009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6794 + ... + 11912.

It is an arithmetic number, because the mean of its divisors is an integer number (6144000).

Almost surely, 2^47878007 is an apocalyptic number.

47878007 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

47878007 is a deficient number, since it is larger than the sum of its proper divisors (1273993).

47878007 is a wasteful number, since it uses less digits than its factorization.

47878007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5365.

The product of its (nonzero) digits is 87808, while the sum is 41.

The square root of 47878007 is about 6919.3935427897. The cubic root of 47878007 is about 363.1159740440.

The spelling of 47878007 in words is "forty-seven million, eight hundred seventy-eight thousand, seven".