428868154986097 has 8 divisors (see below), whose sum is σ = 451448955776000. Its totient is φ = 406288233459504.

The previous prime is 428868154986083. The next prime is 428868154986101. The reversal of 428868154986097 is 790689451868824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-428868154986097 is a prime.

It is a super-2 number, since 2×428868154986097² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428868154984097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218814513 + ... + 220765774.

It is an arithmetic number, because the mean of its divisors is an integer number (56431119472000).

Almost surely, 2^{428868154986097} is an apocalyptic number.

It is an amenable number.

428868154986097 is a deficient number, since it is larger than the sum of its proper divisors (22580800789903).

428868154986097 is a wasteful number, since it uses less digits than its factorization.

428868154986097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439631655.

The product of its (nonzero) digits is 13377208320, while the sum is 85.

The spelling of 428868154986097 in words is "four hundred twenty-eight trillion, eight hundred sixty-eight billion, one hundred fifty-four million, nine hundred eighty-six thousand, ninety-seven".