47747557654 has 64 divisors (see below), whose sum is σ = 78494614272. Its totient is φ = 21696102400.

The previous prime is 47747557609. The next prime is 47747557681. The reversal of 47747557654 is 45675574774.

It is a junction number, because it is equal to n+sod(n) for n = 47747557592 and 47747557601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50740824 + ... + 50741764.

It is an arithmetic number, because the mean of its divisors is an integer number (1226478348).

Almost surely, 2^47747557654 is an apocalyptic number.

47747557654 is a deficient number, since it is larger than the sum of its proper divisors (30747056618).

47747557654 is a wasteful number, since it uses less digits than its factorization.

47747557654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401.

The product of its digits is 115248000, while the sum is 61.

The spelling of 47747557654 in words is "forty-seven billion, seven hundred forty-seven million, five hundred fifty-seven thousand, six hundred fifty-four".