3477776989 has 8 divisors (see below), whose sum is σ = 3772166328. Its totient is φ = 3193367040.

The previous prime is 3477776983. The next prime is 3477777011. The reversal of 3477776989 is 9896777743.

It can be written as a sum of positive squares in 4 ways, for example, as 779805625 + 2697971364 = 27925^2 + 51942^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-3477776989 is a prime.

It is a super-2 number, since 2×3477776989² = 24189865570435812242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3477776983) 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, 2494122 + ... + 2495515.

It is an arithmetic number, because the mean of its divisors is an integer number (471520791).

Almost surely, 2^3477776989 is an apocalyptic number.

It is an amenable number.

3477776989 is a deficient number, since it is larger than the sum of its proper divisors (294389339).

3477776989 is a wasteful number, since it uses less digits than its factorization.

3477776989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4989695.

The product of its digits is 112021056, while the sum is 67.

The square root of 3477776989 is about 58972.6800221933. The cubic root of 3477776989 is about 1515.0742249612.

The spelling of 3477776989 in words is "three billion, four hundred seventy-seven million, seven hundred seventy-six thousand, nine hundred eighty-nine".