86669050 has 24 divisors (see below), whose sum is σ = 173606076. Its totient is φ = 32000640.

The previous prime is 86669029. The next prime is 86669057. The reversal of 86669050 is 5096668.

It can be written as a sum of positive squares in 6 ways, for example, as 41254929 + 45414121 = 6423^2 + 6739^2 .

It is a junction number, because it is equal to n+sod(n) for n = 86668994 and 86669012.

It is not an unprimeable number, because it can be changed into a prime (86669057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66019 + ... + 67318.

Almost surely, 2^86669050 is an apocalyptic number.

86669050 is an abundant number, since it is smaller than the sum of its proper divisors (86937026).

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

86669050 is a wasteful number, since it uses less digits than its factorization.

86669050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133362 (or 133357 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 86669050 is about 9309.6213671663. The cubic root of 86669050 is about 442.5421879829.

The spelling of 86669050 in words is "eighty-six million, six hundred sixty-nine thousand, fifty".