47645677 has 8 divisors (see below), whose sum is σ = 50073056. Its totient is φ = 45278352.

The previous prime is 47645671. The next prime is 47645681. The reversal of 47645677 is 77654674.

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

It is a cyclic number.

It is not a de Polignac number, because 47645677 - 2¹⁵ = 47612909 is a prime.

It is a super-2 number, since 2×47645677² = 4540221073576658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47645671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13383 + ... + 16564.

It is an arithmetic number, because the mean of its divisors is an integer number (6259132).

Almost surely, 2^47645677 is an apocalyptic number.

It is an amenable number.

47645677 is a deficient number, since it is larger than the sum of its proper divisors (2427379).

47645677 is a wasteful number, since it uses less digits than its factorization.

47645677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30027.

The product of its digits is 987840, while the sum is 46.

The square root of 47645677 is about 6902.5848057087. The cubic root of 47645677 is about 362.5276763649.

The spelling of 47645677 in words is "forty-seven million, six hundred forty-five thousand, six hundred seventy-seven".