8450771620 has 24 divisors (see below), whose sum is σ = 17749670400. Its totient is φ = 3379727712.

The previous prime is 8450771479. The next prime is 8450771627. The reversal of 8450771620 is 261770548.

It is not an unprimeable number, because it can be changed into a prime (8450771627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94461 + ... + 160699.

It is an arithmetic number, because the mean of its divisors is an integer number (739569600).

Almost surely, 2^8450771620 is an apocalyptic number.

It is an amenable number.

8450771620 is an abundant number, since it is smaller than the sum of its proper divisors (9298898780).

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

8450771620 is a wasteful number, since it uses less digits than its factorization.

8450771620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72627 (or 72625 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 8450771620 is about 91928.0785179371. The cubic root of 8450771620 is about 2036.8800523710.

The spelling of 8450771620 in words is "eight billion, four hundred fifty million, seven hundred seventy-one thousand, six hundred twenty".