6154772085 has 144 divisors (see below), whose sum is σ = 13836426240. Its totient is φ = 2474841600.

The previous prime is 6154772077. The next prime is 6154772093. The reversal of 6154772085 is 5802774516.

6154772085 is a `hidden beast` number, since 6 + 1 + 547 + 7 + 20 + 85 = 666.

It is an interprime number because it is at equal distance from previous prime (6154772077) and next prime (6154772093).

It is not a de Polignac number, because 6154772085 - 2³ = 6154772077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 6154772085.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1178961 + ... + 1184169.

Almost surely, 2^6154772085 is an apocalyptic number.

It is an amenable number.

6154772085 is an abundant number, since it is smaller than the sum of its proper divisors (7681654155).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6154772085 is a wasteful number, since it uses less digits than its factorization.

6154772085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5280 (or 5266 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The square root of 6154772085 is about 78452.3555095703. The cubic root of 6154772085 is about 1832.6125588871.

The spelling of 6154772085 in words is "six billion, one hundred fifty-four million, seven hundred seventy-two thousand, eighty-five".