345654567898 has 8 divisors (see below), whose sum is σ = 518757792480. Its totient is φ = 172735303740.

The previous prime is 345654567887. The next prime is 345654567967. The reversal of 345654567898 is 898765456543.

It is a happy number.

345654567898 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

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

It is an alternating number because its digits alternate between odd and even.

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, 45985408 + ... + 45992923.

It is an arithmetic number, because the mean of its divisors is an integer number (64844724060).

Almost surely, 2^345654567898 is an apocalyptic number.

345654567898 is a deficient number, since it is larger than the sum of its proper divisors (173103224582).

345654567898 is a wasteful number, since it uses less digits than its factorization.

345654567898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91980212.

The product of its digits is 870912000, while the sum is 70.

The spelling of 345654567898 in words is "three hundred forty-five billion, six hundred fifty-four million, five hundred sixty-seven thousand, eight hundred ninety-eight".