85098777 has 16 divisors (see below), whose sum is σ = 121224960. Its totient is φ = 52942032.

The previous prime is 85098757. The next prime is 85098791. The reversal of 85098777 is 77789058.

It is not a de Polignac number, because 85098777 - 2⁷ = 85098649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85098737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7323 + ... + 14960.

It is an arithmetic number, because the mean of its divisors is an integer number (7576560).

Almost surely, 2^85098777 is an apocalyptic number.

It is an amenable number.

85098777 is a deficient number, since it is larger than the sum of its proper divisors (36126183).

85098777 is a wasteful number, since it uses less digits than its factorization.

85098777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22372.

The product of its (nonzero) digits is 987840, while the sum is 51.

The square root of 85098777 is about 9224.8998368546. The cubic root of 85098777 is about 439.8532172237.

The spelling of 85098777 in words is "eighty-five million, ninety-eight thousand, seven hundred seventy-seven".