85654903473 has 6 divisors (see below), whose sum is σ = 123723749474. Its totient is φ = 57103268976.

The previous prime is 85654903463. The next prime is 85654903489. The reversal of 85654903473 is 37430945658.

85654903473 is a `hidden beast` number, since 8 + 56 + 5 + 490 + 34 + 73 = 666.

It can be written as a sum of positive squares in only one way, i.e., 85347532449 + 307371024 = 292143^2 + 17532^2 .

It is not a de Polignac number, because 85654903473 - 2⁵ = 85654903441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85654903403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4758605740 + ... + 4758605757.

Almost surely, 2^85654903473 is an apocalyptic number.

It is an amenable number.

85654903473 is a deficient number, since it is larger than the sum of its proper divisors (38068846001).

85654903473 is a wasteful number, since it uses less digits than its factorization.

85654903473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9517211503 (or 9517211500 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 54.

The spelling of 85654903473 in words is "eighty-five billion, six hundred fifty-four million, nine hundred three thousand, four hundred seventy-three".