47860553861 has 4 divisors (see below), whose sum is σ = 50379530400. Its totient is φ = 45341577324.

The previous prime is 47860553831. The next prime is 47860553953. The reversal of 47860553861 is 16835506874.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47860553861 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 (47860553831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1259488241 + ... + 1259488278.

It is an arithmetic number, because the mean of its divisors is an integer number (12594882600).

Almost surely, 2^47860553861 is an apocalyptic number.

It is an amenable number.

47860553861 is a deficient number, since it is larger than the sum of its proper divisors (2518976539).

47860553861 is a wasteful number, since it uses less digits than its factorization.

47860553861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2518976538.

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 47860553861 in words is "forty-seven billion, eight hundred sixty million, five hundred fifty-three thousand, eight hundred sixty-one".