778544482 has 8 divisors (see below), whose sum is σ = 1181887056. Its totient is φ = 384582132.

The previous prime is 778544467. The next prime is 778544483. The reversal of 778544482 is 284445877.

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

It is a super-2 number, since 2×778544482² = 1212263020905296648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (778544483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2344848 + ... + 2345179.

It is an arithmetic number, because the mean of its divisors is an integer number (147735882).

Almost surely, 2^778544482 is an apocalyptic number.

778544482 is a deficient number, since it is larger than the sum of its proper divisors (403342574).

778544482 is a wasteful number, since it uses less digits than its factorization.

778544482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4690112.

The product of its digits is 2007040, while the sum is 49.

The square root of 778544482 is about 27902.4099675996. The cubic root of 778544482 is about 919.9434755758.

The spelling of 778544482 in words is "seven hundred seventy-eight million, five hundred forty-four thousand, four hundred eighty-two".