8470020428 has 12 divisors (see below), whose sum is σ = 14823656400. Its totient is φ = 4234690032.

The previous prime is 8470020413. The next prime is 8470020499. The reversal of 8470020428 is 8240200748.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14576 + ... + 130967.

It is an arithmetic number, because the mean of its divisors is an integer number (1235304700).

Almost surely, 2^8470020428 is an apocalyptic number.

It is an amenable number.

8470020428 is a deficient number, since it is larger than the sum of its proper divisors (6353635972).

8470020428 is a wasteful number, since it uses less digits than its factorization.

8470020428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160096 (or 160094 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 35.

The square root of 8470020428 is about 92032.7139010906. The cubic root of 8470020428 is about 2038.4253859027.

The spelling of 8470020428 in words is "eight billion, four hundred seventy million, twenty thousand, four hundred twenty-eight".