85438342269748 has 48 divisors (see below), whose sum is σ = 161724658422096. Its totient is φ = 39260200458240.

The previous prime is 85438342269703. The next prime is 85438342269781. The reversal of 85438342269748 is 84796224383458.

It can be written as a sum of positive squares in 8 ways, for example, as 14499049744 + 85423843220004 = 120412^2 + 9242502^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52497090 + ... + 54100102.

It is an arithmetic number, because the mean of its divisors is an integer number (3369263717127).

Almost surely, 2^{85438342269748} is an apocalyptic number.

It is an amenable number.

85438342269748 is a deficient number, since it is larger than the sum of its proper divisors (76286316152348).

85438342269748 is a wasteful number, since it uses less digits than its factorization.

85438342269748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1607524 (or 1607522 counting only the distinct ones).

The product of its digits is 2229534720, while the sum is 73.

The spelling of 85438342269748 in words is "eighty-five trillion, four hundred thirty-eight billion, three hundred forty-two million, two hundred sixty-nine thousand, seven hundred forty-eight".