47614377661 has 2 divisors, whose sum is σ = 47614377662. Its totient is φ = 47614377660.

The previous prime is 47614377653. The next prime is 47614377689. The reversal of 47614377661 is 16677341674.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34090083225 + 13524294436 = 184635^2 + 116294^2 .

It is a cyclic number.

It is not a de Polignac number, because 47614377661 - 2³ = 47614377653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47614377599 and 47614377608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47614377641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23807188830 + 23807188831.

It is an arithmetic number, because the mean of its divisors is an integer number (23807188831).

Almost surely, 2^47614377661 is an apocalyptic number.

It is an amenable number.

47614377661 is a deficient number, since it is larger than the sum of its proper divisors (1).

47614377661 is an equidigital number, since it uses as much as digits as its factorization.

47614377661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3556224, while the sum is 52.

The spelling of 47614377661 in words is "forty-seven billion, six hundred fourteen million, three hundred seventy-seven thousand, six hundred sixty-one".