947542488 has 16 divisors (see below), whose sum is σ = 2368856280. Its totient is φ = 315847488.

The previous prime is 947542457. The next prime is 947542489. The reversal of 947542488 is 884245749.

It is a self number, because there is not a number n which added to its sum of digits gives 947542488.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (947542489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19740445 + ... + 19740492.

Almost surely, 2^947542488 is an apocalyptic number.

It is an amenable number.

947542488 is an abundant number, since it is smaller than the sum of its proper divisors (1421313792).

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

947542488 is a wasteful number, since it uses less digits than its factorization.

947542488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39480946 (or 39480942 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 51.

The square root of 947542488 is about 30782.1780905770. The cubic root of 947542488 is about 982.1991734189.

The spelling of 947542488 in words is "nine hundred forty-seven million, five hundred forty-two thousand, four hundred eighty-eight".