8513230782 has 64 divisors (see below), whose sum is σ = 20788807680. Its totient is φ = 2269925856.

The previous prime is 8513230771. The next prime is 8513230793. The reversal of 8513230782 is 2870323158.

It is an interprime number because it is at equal distance from previous prime (8513230771) and next prime (8513230793).

It is a self number, because there is not a number n which added to its sum of digits gives 8513230782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26148 + ... + 133079.

It is an arithmetic number, because the mean of its divisors is an integer number (324825120).

Almost surely, 2^8513230782 is an apocalyptic number.

8513230782 is an abundant number, since it is smaller than the sum of its proper divisors (12275576898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8513230782 is a wasteful number, since it uses less digits than its factorization.

8513230782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159325.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 8513230782 is about 92267.1706621591. The cubic root of 8513230782 is about 2041.8858939611.

The spelling of 8513230782 in words is "eight billion, five hundred thirteen million, two hundred thirty thousand, seven hundred eighty-two".