805129962 has 128 divisors (see below), whose sum is σ = 2118057984. Its totient is φ = 197987328.

The previous prime is 805129933. The next prime is 805130003. The reversal of 805129962 is 269921508.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1178473 + ... + 1179155.

It is an arithmetic number, because the mean of its divisors is an integer number (16547328).

Almost surely, 2^805129962 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 805129962, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1059028992).

805129962 is an abundant number, since it is smaller than the sum of its proper divisors (1312928022).

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

805129962 is a wasteful number, since it uses less digits than its factorization.

805129962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 805129962 is about 28374.8121051048. The cubic root of 805129962 is about 930.2978049619.

The spelling of 805129962 in words is "eight hundred five million, one hundred twenty-nine thousand, nine hundred sixty-two".