345654786377 has 4 divisors (see below), whose sum is σ = 346617613440. Its totient is φ = 344691959316.

The previous prime is 345654786371. The next prime is 345654786403. The reversal of 345654786377 is 773687456543.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 773687456543 = 83 ⋅9321535621.

It is a cyclic number.

It is not a de Polignac number, because 345654786377 - 2¹⁰ = 345654785353 is a prime.

It is a super-2 number, since 2×345654786377² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345654786371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 481412993 + ... + 481413710.

It is an arithmetic number, because the mean of its divisors is an integer number (86654403360).

Almost surely, 2^345654786377 is an apocalyptic number.

It is an amenable number.

345654786377 is a deficient number, since it is larger than the sum of its proper divisors (962827063).

345654786377 is an equidigital number, since it uses as much as digits as its factorization.

345654786377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962827062.

The product of its digits is 355622400, while the sum is 65.

The spelling of 345654786377 in words is "three hundred forty-five billion, six hundred fifty-four million, seven hundred eighty-six thousand, three hundred seventy-seven".