776432231 has 8 divisors (see below), whose sum is σ = 809263104. Its totient is φ = 744087960.

The previous prime is 776432219. The next prime is 776432243. The reversal of 776432231 is 132234677.

It is an interprime number because it is at equal distance from previous prime (776432219) and next prime (776432243).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-776432231 is a prime.

It is a super-2 number, since 2×776432231² = 1205694018671274722, 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 = 776432191 and 776432200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (776432201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118391 + ... + 124776.

It is an arithmetic number, because the mean of its divisors is an integer number (101157888).

Almost surely, 2^776432231 is an apocalyptic number.

776432231 is a deficient number, since it is larger than the sum of its proper divisors (32830873).

776432231 is a wasteful number, since it uses less digits than its factorization.

776432231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243301.

The product of its digits is 42336, while the sum is 35.

The square root of 776432231 is about 27864.5335686783. The cubic root of 776432231 is about 919.1107629386.

The spelling of 776432231 in words is "seven hundred seventy-six million, four hundred thirty-two thousand, two hundred thirty-one".