786471816 has 64 divisors (see below), whose sum is σ = 2241993600. Its totient is φ = 227755008.

The previous prime is 786471797. The next prime is 786471817. The reversal of 786471816 is 618174687.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (786471817) 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, 68836 + ... + 79443.

It is an arithmetic number, because the mean of its divisors is an integer number (35031150).

Almost surely, 2^786471816 is an apocalyptic number.

It is an amenable number.

786471816 is an abundant number, since it is smaller than the sum of its proper divisors (1455521784).

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

786471816 is a wasteful number, since it uses less digits than its factorization.

786471816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148318 (or 148314 counting only the distinct ones).

The product of its digits is 451584, while the sum is 48.

The square root of 786471816 is about 28044.1048350629. The cubic root of 786471816 is about 923.0553021560.

The spelling of 786471816 in words is "seven hundred eighty-six million, four hundred seventy-one thousand, eight hundred sixteen".