34472977561 has 9 divisors (see below), whose sum is σ = 37894030293. Its totient is φ = 31337213820.

The previous prime is 34472977531. The next prime is 34472977597. The reversal of 34472977561 is 16577927443.

The square root of 34472977561 is 185669.

It is a perfect power (a square), and thus also a powerful number.

34472977561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 34472977561 - 2²³ = 34464588953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34472977531) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2033920 + ... + 2050798.

Almost surely, 2^34472977561 is an apocalyptic number.

34472977561 is the 185669-th square number.

34472977561 is the 92835-th centered octagonal number.

It is an amenable number.

34472977561 is a deficient number, since it is larger than the sum of its proper divisors (3421052732).

34472977561 is an frugal number, since it uses more digits than its factorization.

34472977561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33780 (or 16890 counting only the distinct ones).

The product of its digits is 8890560, while the sum is 55.

The spelling of 34472977561 in words is "thirty-four billion, four hundred seventy-two million, nine hundred seventy-seven thousand, five hundred sixty-one".