86442980 has 24 divisors (see below), whose sum is σ = 195494712. Its totient is φ = 31917312.

The previous prime is 86442959. The next prime is 86443037. The reversal of 86442980 is 8924468.

It can be written as a sum of positive squares in 4 ways, for example, as 2244004 + 84198976 = 1498^2 + 9176^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165977 + ... + 166496.

It is an arithmetic number, because the mean of its divisors is an integer number (8145613).

Almost surely, 2^86442980 is an apocalyptic number.

It is an amenable number.

86442980 is an abundant number, since it is smaller than the sum of its proper divisors (109051732).

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

86442980 is a wasteful number, since it uses less digits than its factorization.

86442980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332495 (or 332493 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 86442980 is about 9297.4716993385. The cubic root of 86442980 is about 442.1570730894.

The spelling of 86442980 in words is "eighty-six million, four hundred forty-two thousand, nine hundred eighty".