85748081455 has 32 divisors (see below), whose sum is σ = 111649155840. Its totient is φ = 63071608320.

The previous prime is 85748081429. The next prime is 85748081479. The reversal of 85748081455 is 55418084758.

It is a de Polignac number, because none of the positive numbers 2^k-85748081455 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85748081396 and 85748081405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82125 + ... + 422185.

It is an arithmetic number, because the mean of its divisors is an integer number (3489036120).

Almost surely, 2^85748081455 is an apocalyptic number.

85748081455 is a deficient number, since it is larger than the sum of its proper divisors (25901074385).

85748081455 is a wasteful number, since it uses less digits than its factorization.

85748081455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340179.

The product of its (nonzero) digits is 7168000, while the sum is 55.

The spelling of 85748081455 in words is "eighty-five billion, seven hundred forty-eight million, eighty-one thousand, four hundred fifty-five".