85847674400782 has 96 divisors (see below), whose sum is σ = 162478649772288. Its totient is φ = 33792005769984.

The previous prime is 85847674400777. The next prime is 85847674400797. The reversal of 85847674400782 is 28700447674858.

It is a super-2 number, since 2×85847674400782² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8349663 + ... + 15537445.

It is an arithmetic number, because the mean of its divisors is an integer number (1692485935128).

Almost surely, 2^{85847674400782} is an apocalyptic number.

85847674400782 is a deficient number, since it is larger than the sum of its proper divisors (76630975371506).

85847674400782 is a wasteful number, since it uses less digits than its factorization.

85847674400782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7187990 (or 7187983 counting only the distinct ones).

The product of its (nonzero) digits is 674365440, while the sum is 70.

The spelling of 85847674400782 in words is "eighty-five trillion, eight hundred forty-seven billion, six hundred seventy-four million, four hundred thousand, seven hundred eighty-two".