655377434 has 8 divisors (see below), whose sum is σ = 988160340. Its totient is φ = 325990656.

The previous prime is 655377427. The next prime is 655377439. The reversal of 655377434 is 434773556.

It can be written as a sum of positive squares in 2 ways, for example, as 573746209 + 81631225 = 23953^2 + 9035^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (655377439) 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, 848549 + ... + 849320.

Almost surely, 2^655377434 is an apocalyptic number.

655377434 is a deficient number, since it is larger than the sum of its proper divisors (332782906).

655377434 is a wasteful number, since it uses less digits than its factorization.

655377434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1698064.

The product of its digits is 1058400, while the sum is 44.

The square root of 655377434 is about 25600.3405055480. The cubic root of 655377434 is about 868.6213395788.

The spelling of 655377434 in words is "six hundred fifty-five million, three hundred seventy-seven thousand, four hundred thirty-four".