85722977454 has 32 divisors (see below), whose sum is σ = 173337926400. Its totient is φ = 28259891712.

The previous prime is 85722977443. The next prime is 85722977491. The reversal of 85722977454 is 45477922758.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273102 + ... + 496014.

It is an arithmetic number, because the mean of its divisors is an integer number (5416810200).

Almost surely, 2^85722977454 is an apocalyptic number.

85722977454 is an abundant number, since it is smaller than the sum of its proper divisors (87614948946).

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

85722977454 is a wasteful number, since it uses less digits than its factorization.

85722977454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223624.

The product of its digits is 39513600, while the sum is 60.

The spelling of 85722977454 in words is "eighty-five billion, seven hundred twenty-two million, nine hundred seventy-seven thousand, four hundred fifty-four".