3355377781 has 8 divisors (see below), whose sum is σ = 3859143680. Its totient is φ = 2857718448.

The previous prime is 3355377769. The next prime is 3355377791. The reversal of 3355377781 is 1877735533.

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

It is a cyclic number.

It is not a de Polignac number, because 3355377781 - 2¹⁹ = 3354853493 is a prime.

It is a super-3 number, since 3×3355377781³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3355377791) 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, 1525461 + ... + 1527658.

It is an arithmetic number, because the mean of its divisors is an integer number (482392960).

Almost surely, 2^3355377781 is an apocalyptic number.

It is an amenable number.

3355377781 is a deficient number, since it is larger than the sum of its proper divisors (503765899).

3355377781 is a wasteful number, since it uses less digits than its factorization.

3355377781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3053283.

The product of its digits is 1852200, while the sum is 49.

The square root of 3355377781 is about 57925.6228365306. The cubic root of 3355377781 is about 1497.0873525766.

The spelling of 3355377781 in words is "three billion, three hundred fifty-five million, three hundred seventy-seven thousand, seven hundred eighty-one".