85198877 has 8 divisors (see below), whose sum is σ = 89237760. Its totient is φ = 81187920.

The previous prime is 85198871. The next prime is 85198879. The reversal of 85198877 is 77889158.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85198877 - 2⁸ = 85198621 is a prime.

It is a super-2 number, since 2×85198877² = 14517697284122258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85198871) 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, 602 + ... + 13067.

It is an arithmetic number, because the mean of its divisors is an integer number (11154720).

Almost surely, 2^85198877 is an apocalyptic number.

It is an amenable number.

85198877 is a deficient number, since it is larger than the sum of its proper divisors (4038883).

85198877 is a wasteful number, since it uses less digits than its factorization.

85198877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13963.

The product of its digits is 1128960, while the sum is 53.

The square root of 85198877 is about 9230.3237754696. The cubic root of 85198877 is about 440.0256131784.

The spelling of 85198877 in words is "eighty-five million, one hundred ninety-eight thousand, eight hundred seventy-seven".