8486779620 has 48 divisors (see below), whose sum is σ = 25923256128. Its totient is φ = 2057400960.

The previous prime is 8486779603. The next prime is 8486779643. The reversal of 8486779620 is 269776848.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6428719 + ... + 6430038.

It is an arithmetic number, because the mean of its divisors is an integer number (540067836).

Almost surely, 2^8486779620 is an apocalyptic number.

It is an amenable number.

8486779620 is an abundant number, since it is smaller than the sum of its proper divisors (17436476508).

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

8486779620 is a wasteful number, since it uses less digits than its factorization.

8486779620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12858780 (or 12858778 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 57.

The square root of 8486779620 is about 92123.7190955728. The cubic root of 8486779620 is about 2039.7689424965.

The spelling of 8486779620 in words is "eight billion, four hundred eighty-six million, seven hundred seventy-nine thousand, six hundred twenty".