830787542 has 32 divisors (see below), whose sum is σ = 1363313280. Its totient is φ = 377395200.

The previous prime is 830787481. The next prime is 830787547. The reversal of 830787542 is 245787038.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 830787493 and 830787502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830787547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1234118 + ... + 1234790.

It is an arithmetic number, because the mean of its divisors is an integer number (42603540).

Almost surely, 2^830787542 is an apocalyptic number.

830787542 is a deficient number, since it is larger than the sum of its proper divisors (532525738).

830787542 is a wasteful number, since it uses less digits than its factorization.

830787542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368.

The product of its (nonzero) digits is 376320, while the sum is 44.

The square root of 830787542 is about 28823.3853320529. The cubic root of 830787542 is about 940.0767788500.

The spelling of 830787542 in words is "eight hundred thirty million, seven hundred eighty-seven thousand, five hundred forty-two".