10431977 has 4 divisors (see below), whose sum is σ = 10465620. Its totient is φ = 10398336.

The previous prime is 10431973. The next prime is 10431991. The reversal of 10431977 is 77913401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77913401 = 29 ⋅2686669.

It can be written as a sum of positive squares in 2 ways, for example, as 2725801 + 7706176 = 1651^2 + 2776^2 .

It is a cyclic number.

It is not a de Polignac number, because 10431977 - 2² = 10431973 is a prime.

It is a super-2 number, since 2×10431977² = 217652288257058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10431973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16352 + ... + 16977.

It is an arithmetic number, because the mean of its divisors is an integer number (2616405).

Almost surely, 2^10431977 is an apocalyptic number.

It is an amenable number.

10431977 is a deficient number, since it is larger than the sum of its proper divisors (33643).

10431977 is an equidigital number, since it uses as much as digits as its factorization.

10431977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33642.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 10431977 is about 3229.8571175828. The cubic root of 10431977 is about 218.5020622699.

The spelling of 10431977 in words is "ten million, four hundred thirty-one thousand, nine hundred seventy-seven".