47702772477 has 80 divisors (see below), whose sum is σ = 74809827840. Its totient is φ = 30263321088.

The previous prime is 47702772451. The next prime is 47702772511. The reversal of 47702772477 is 77427720774.

It is not a de Polignac number, because 47702772477 - 2⁶ = 47702772413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47702772877) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 26753328 + ... + 26755110.

It is an arithmetic number, because the mean of its divisors is an integer number (935122848).

Almost surely, 2^47702772477 is an apocalyptic number.

It is an amenable number.

47702772477 is a deficient number, since it is larger than the sum of its proper divisors (27107055363).

47702772477 is a wasteful number, since it uses less digits than its factorization.

47702772477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2024 (or 2015 counting only the distinct ones).

The product of its (nonzero) digits is 7529536, while the sum is 54.

The spelling of 47702772477 in words is "forty-seven billion, seven hundred two million, seven hundred seventy-two thousand, four hundred seventy-seven".