545776986 has 8 divisors (see below), whose sum is σ = 1091553984. Its totient is φ = 181925660.

The previous prime is 545776969. The next prime is 545777003. The reversal of 545776986 is 689677545.

It is an interprime number because it is at equal distance from previous prime (545776969) and next prime (545777003).

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

545776986 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45481410 + ... + 45481421.

It is an arithmetic number, because the mean of its divisors is an integer number (136444248).

Almost surely, 2^545776986 is an apocalyptic number.

545776986 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

545776986 is a wasteful number, since it uses less digits than its factorization.

545776986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90962836.

The product of its digits is 12700800, while the sum is 57.

The square root of 545776986 is about 23361.8703446449. The cubic root of 545776986 is about 817.2189077454.

The spelling of 545776986 in words is "five hundred forty-five million, seven hundred seventy-six thousand, nine hundred eighty-six".