85879154 has 4 divisors (see below), whose sum is σ = 128818734. Its totient is φ = 42939576.

The previous prime is 85879151. The next prime is 85879159. The reversal of 85879154 is 45197858.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 45873529 + 40005625 = 6773^2 + 6325^2 .

It is a junction number, because it is equal to n+sod(n) for n = 85879099 and 85879108.

It is not an unprimeable number, because it can be changed into a prime (85879151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21469787 + ... + 21469790.

Almost surely, 2^85879154 is an apocalyptic number.

85879154 is a deficient number, since it is larger than the sum of its proper divisors (42939580).

85879154 is a wasteful number, since it uses less digits than its factorization.

85879154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42939579.

The product of its digits is 403200, while the sum is 47.

The square root of 85879154 is about 9267.1006253304. The cubic root of 85879154 is about 441.1936493884.

The spelling of 85879154 in words is "eighty-five million, eight hundred seventy-nine thousand, one hundred fifty-four".