9472871428 has 6 divisors (see below), whose sum is σ = 16577525006. Its totient is φ = 4736435712.

The previous prime is 9472871411. The next prime is 9472871459. The reversal of 9472871428 is 8241782749.

It can be written as a sum of positive squares in only one way, i.e., 5464462084 + 4008409344 = 73922^2 + 63312^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1184108925 + ... + 1184108932.

Almost surely, 2^9472871428 is an apocalyptic number.

It is an amenable number.

9472871428 is a deficient number, since it is larger than the sum of its proper divisors (7104653578).

9472871428 is a wasteful number, since it uses less digits than its factorization.

9472871428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2368217861 (or 2368217859 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 52.

The square root of 9472871428 is about 97328.6773155785. The cubic root of 9472871428 is about 2115.8938728081.

The spelling of 9472871428 in words is "nine billion, four hundred seventy-two million, eight hundred seventy-one thousand, four hundred twenty-eight".