47658961 has 16 divisors (see below), whose sum is σ = 55802880. Its totient is φ = 39859920.

The previous prime is 47658953. The next prime is 47658983. The reversal of 47658961 is 16985674.

It is a cyclic number.

It is not a de Polignac number, because 47658961 - 2³ = 47658953 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (47658901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68626 + ... + 69316.

It is an arithmetic number, because the mean of its divisors is an integer number (3487680).

Almost surely, 2^47658961 is an apocalyptic number.

It is an amenable number.

47658961 is a deficient number, since it is larger than the sum of its proper divisors (8143919).

47658961 is a wasteful number, since it uses less digits than its factorization.

47658961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924.

The product of its digits is 362880, while the sum is 46.

The square root of 47658961 is about 6903.5469868757. The cubic root of 47658961 is about 362.5613651167.

The spelling of 47658961 in words is "forty-seven million, six hundred fifty-eight thousand, nine hundred sixty-one".