82861154 has 16 divisors (see below), whose sum is σ = 126991800. Its totient is φ = 40535040.

The previous prime is 82861127. The next prime is 82861159. The reversal of 82861154 is 45116828.

It can be written as a sum of positive squares in 4 ways, for example, as 56595529 + 26265625 = 7523^2 + 5125^2 .

It is not an unprimeable number, because it can be changed into a prime (82861159) 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, 46724 + ... + 48464.

Almost surely, 2^82861154 is an apocalyptic number.

82861154 is a deficient number, since it is larger than the sum of its proper divisors (44130646).

82861154 is a wasteful number, since it uses less digits than its factorization.

82861154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2245.

The product of its digits is 15360, while the sum is 35.

The square root of 82861154 is about 9102.8102254194. The cubic root of 82861154 is about 435.9636960205.

The spelling of 82861154 in words is "eighty-two million, eight hundred sixty-one thousand, one hundred fifty-four".