47078901 has 20 divisors (see below), whose sum is σ = 70567200. Its totient is φ = 31279176.

The previous prime is 47078881. The next prime is 47078909. The reversal of 47078901 is 10987074.

It is a de Polignac number, because none of the positive numbers 2^k-47078901 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47078909) 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 19 ways as a sum of consecutive naturals, for example, 28270 + ... + 29888.

It is an arithmetic number, because the mean of its divisors is an integer number (3528360).

Almost surely, 2^47078901 is an apocalyptic number.

It is an amenable number.

47078901 is a deficient number, since it is larger than the sum of its proper divisors (23488299).

47078901 is a wasteful number, since it uses less digits than its factorization.

47078901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1990 (or 1981 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 47078901 is about 6861.4066342114. The cubic root of 47078901 is about 361.0844383683.

The spelling of 47078901 in words is "forty-seven million, seventy-eight thousand, nine hundred one".