85477458 has 16 divisors (see below), whose sum is σ = 186496416. Its totient is φ = 25902240.

The previous prime is 85477433. The next prime is 85477481.

85477458 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×85477458² = 14612791652283528, which contains 22 as substring.

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, 647491 + ... + 647622.

It is an arithmetic number, because the mean of its divisors is an integer number (11656026).

Almost surely, 2^85477458 is an apocalyptic number.

85477458 is an abundant number, since it is smaller than the sum of its proper divisors (101018958).

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

85477458 is a wasteful number, since it uses less digits than its factorization.

85477458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295129.

The product of its digits is 1254400, while the sum is 48.

The square root of 85477458 is about 9245.4019923419. The cubic root of 85477458 is about 440.5046860484.

The spelling of 85477458 in words is "eighty-five million, four hundred seventy-seven thousand, four hundred fifty-eight".