85954090977 has 12 divisors (see below), whose sum is σ = 128754276560. Its totient is φ = 57302727156.

The previous prime is 85954090951. The next prime is 85954091011. The reversal of 85954090977 is 77909045958.

85954090977 is a `hidden beast` number, since 85 + 9 + 540 + 9 + 0 + 9 + 7 + 7 = 666.

It is not a de Polignac number, because 85954090977 - 2⁶ = 85954090913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85954090907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176860027 + ... + 176860512.

Almost surely, 2^85954090977 is an apocalyptic number.

It is an amenable number.

85954090977 is a deficient number, since it is larger than the sum of its proper divisors (42800185583).

85954090977 is an equidigital number, since it uses as much as digits as its factorization.

85954090977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353720554 (or 353720542 counting only the distinct ones).

The product of its (nonzero) digits is 28576800, while the sum is 63.

The spelling of 85954090977 in words is "eighty-five billion, nine hundred fifty-four million, ninety thousand, nine hundred seventy-seven".