787020231 has 8 divisors (see below), whose sum is σ = 1066563184. Its totient is φ = 516078720.

The previous prime is 787020211. The next prime is 787020239. The reversal of 787020231 is 132020787.

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

It is not a de Polignac number, because 787020231 - 2⁶ = 787020167 is a prime.

It is a super-2 number, since 2×787020231² = 1238801688006586722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (787020239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2150146 + ... + 2150511.

It is an arithmetic number, because the mean of its divisors is an integer number (133320398).

Almost surely, 2^787020231 is an apocalyptic number.

787020231 is a deficient number, since it is larger than the sum of its proper divisors (279542953).

787020231 is a wasteful number, since it uses less digits than its factorization.

787020231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4300721.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 787020231 is about 28053.8808545271. The cubic root of 787020231 is about 923.2698043353.

The spelling of 787020231 in words is "seven hundred eighty-seven million, twenty thousand, two hundred thirty-one".