10977491 has 4 divisors (see below), whose sum is σ = 12545712. Its totient is φ = 9409272.

The previous prime is 10977479. The next prime is 10977511. The reversal of 10977491 is 19477901.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10977491 - 2¹⁰ = 10976467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10977401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 784100 + ... + 784113.

It is an arithmetic number, because the mean of its divisors is an integer number (3136428).

Almost surely, 2^10977491 is an apocalyptic number.

10977491 is a deficient number, since it is larger than the sum of its proper divisors (1568221).

10977491 is an equidigital number, since it uses as much as digits as its factorization.

10977491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1568220.

The product of its (nonzero) digits is 15876, while the sum is 38.

The square root of 10977491 is about 3313.2296932148. The cubic root of 10977491 is about 222.2462098087.

The spelling of 10977491 in words is "ten million, nine hundred seventy-seven thousand, four hundred ninety-one".