787034231 has 4 divisors (see below), whose sum is σ = 812422464. Its totient is φ = 761646000.

The previous prime is 787034191. The next prime is 787034239. The reversal of 787034231 is 132430787.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-787034231 is a prime.

It is a super-2 number, since 2×787034231² = 1238845761531522722, 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 = 787034191 and 787034200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (787034239) 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 3 ways as a sum of consecutive naturals, for example, 12694070 + ... + 12694131.

It is an arithmetic number, because the mean of its divisors is an integer number (203105616).

Almost surely, 2^787034231 is an apocalyptic number.

787034231 is a deficient number, since it is larger than the sum of its proper divisors (25388233).

787034231 is a wasteful number, since it uses less digits than its factorization.

787034231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25388232.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 787034231 is about 28054.1303732623. The cubic root of 787034231 is about 923.2752788666.

The spelling of 787034231 in words is "seven hundred eighty-seven million, thirty-four thousand, two hundred thirty-one".