47777637770 has 16 divisors (see below), whose sum is σ = 87035891040. Its totient is φ = 18880801104.

The previous prime is 47777637727. The next prime is 47777637773. The reversal of 47777637770 is 7773677774.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (47777637773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28780880 + ... + 28782539.

It is an arithmetic number, because the mean of its divisors is an integer number (5439743190).

Almost surely, 2^47777637770 is an apocalyptic number.

47777637770 is a deficient number, since it is larger than the sum of its proper divisors (39258253270).

47777637770 is a wasteful number, since it uses less digits than its factorization.

47777637770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57563509.

The product of its (nonzero) digits is 59295096, while the sum is 62.

The spelling of 47777637770 in words is "forty-seven billion, seven hundred seventy-seven million, six hundred thirty-seven thousand, seven hundred seventy".