10977381529 has 3 divisors (see below), whose sum is σ = 10977486303. Its totient is φ = 10977276756.

The previous prime is 10977381487. The next prime is 10977381587. The reversal of 10977381529 is 92518377901.

The square root of 10977381529 is 104773.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 92518377901 = 761 ⋅121574741.

It can be written as a sum of positive squares in only one way, i.e., 10525734025 + 451647504 = 102595^2 + 21252^2 .

It is not a de Polignac number, because 10977381529 - 2²⁷ = 10843163801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10977381599) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 52387 + ... + 157159.

It is an arithmetic number, because the mean of its divisors is an integer number (3659162101).

Almost surely, 2^10977381529 is an apocalyptic number.

10977381529 is the 104773-rd square number.

10977381529 is the 52387-th centered octagonal number.

It is an amenable number.

10977381529 is a deficient number, since it is larger than the sum of its proper divisors (104774).

10977381529 is an frugal number, since it uses more digits than its factorization.

10977381529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209546 (or 104773 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 52.

The spelling of 10977381529 in words is "ten billion, nine hundred seventy-seven million, three hundred eighty-one thousand, five hundred twenty-nine".