47354378920 has 64 divisors (see below), whose sum is σ = 111211056000. Its totient is φ = 18113111808.

The previous prime is 47354378899. The next prime is 47354378921. The reversal of 47354378920 is 2987345374.

It is not an unprimeable number, because it can be changed into a prime (47354378921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5864646 + ... + 5872714.

It is an arithmetic number, because the mean of its divisors is an integer number (1737672750).

Almost surely, 2^47354378920 is an apocalyptic number.

47354378920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47354378920 is an abundant number, since it is smaller than the sum of its proper divisors (63856677080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47354378920 is a wasteful number, since it uses less digits than its factorization.

47354378920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14482 (or 14478 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 52.

The spelling of 47354378920 in words is "forty-seven billion, three hundred fifty-four million, three hundred seventy-eight thousand, nine hundred twenty".