47951506777 has 8 divisors (see below), whose sum is σ = 49492072800. Its totient is φ = 46435201824.

The previous prime is 47951506723. The next prime is 47951506843. The reversal of 47951506777 is 77760515974.

47951506777 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47951506777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47951506877) 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, 6061252 + ... + 6069157.

It is an arithmetic number, because the mean of its divisors is an integer number (6186509100).

Almost surely, 2^47951506777 is an apocalyptic number.

It is an amenable number.

47951506777 is a deficient number, since it is larger than the sum of its proper divisors (1540566023).

47951506777 is a wasteful number, since it uses less digits than its factorization.

47951506777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12130535.

The product of its (nonzero) digits is 12965400, while the sum is 58.

The spelling of 47951506777 in words is "forty-seven billion, nine hundred fifty-one million, five hundred six thousand, seven hundred seventy-seven".