85463745261 has 16 divisors (see below), whose sum is σ = 123915639744. Its totient is φ = 52175003904.

The previous prime is 85463745223. The next prime is 85463745277. The reversal of 85463745261 is 16254736458.

It is not a de Polignac number, because 85463745261 - 2¹⁰ = 85463744237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85463745281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22643515 + ... + 22647288.

It is an arithmetic number, because the mean of its divisors is an integer number (7744727484).

Almost surely, 2^85463745261 is an apocalyptic number.

It is an amenable number.

85463745261 is a deficient number, since it is larger than the sum of its proper divisors (38451894483).

85463745261 is a wasteful number, since it uses less digits than its factorization.

85463745261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45290860.

The product of its digits is 4838400, while the sum is 51.

The spelling of 85463745261 in words is "eighty-five billion, four hundred sixty-three million, seven hundred forty-five thousand, two hundred sixty-one".