10778231 has 4 divisors (see below), whose sum is σ = 10925952. Its totient is φ = 10630512.

The previous prime is 10778219. The next prime is 10778233. The reversal of 10778231 is 13287701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13287701 = 7 ⋅1898243.

It is a cyclic number.

It is not a de Polignac number, because 10778231 - 2¹⁸ = 10516087 is a prime.

It is a super-2 number, since 2×10778231² = 232340526978722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10778194 and 10778203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10778233) 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, 73751 + ... + 73896.

It is an arithmetic number, because the mean of its divisors is an integer number (2731488).

Almost surely, 2^10778231 is an apocalyptic number.

10778231 is a deficient number, since it is larger than the sum of its proper divisors (147721).

10778231 is an equidigital number, since it uses as much as digits as its factorization.

10778231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147720.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 10778231 is about 3283.0216264898. The cubic root of 10778231 is about 220.8932757970.

The spelling of 10778231 in words is "ten million, seven hundred seventy-eight thousand, two hundred thirty-one".