428797109026 has 32 divisors (see below), whose sum is σ = 757144983168. Its totient is φ = 179557127040.

The previous prime is 428797108963. The next prime is 428797109071. The reversal of 428797109026 is 620901797824.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1346491 + ... + 1634206.

It is an arithmetic number, because the mean of its divisors is an integer number (23660780724).

Almost surely, 2^428797109026 is an apocalyptic number.

428797109026 is a deficient number, since it is larger than the sum of its proper divisors (328347874142).

428797109026 is a wasteful number, since it uses less digits than its factorization.

428797109026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2981226.

The product of its (nonzero) digits is 3048192, while the sum is 55.

The spelling of 428797109026 in words is "four hundred twenty-eight billion, seven hundred ninety-seven million, one hundred nine thousand, twenty-six".