71077265475 has 24 divisors (see below), whose sum is σ = 120690482160. Its totient is φ = 36883336320.

The previous prime is 71077265473. The next prime is 71077265579. The reversal of 71077265475 is 57456277017.

It is not a de Polignac number, because 71077265475 - 2¹ = 71077265473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71077265473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12803940 + ... + 12809489.

It is an arithmetic number, because the mean of its divisors is an integer number (5028770090).

Almost surely, 2^71077265475 is an apocalyptic number.

71077265475 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

71077265475 is a deficient number, since it is larger than the sum of its proper divisors (49613216685).

71077265475 is a wasteful number, since it uses less digits than its factorization.

71077265475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25613479 (or 25613474 counting only the distinct ones).

The product of its (nonzero) digits is 2881200, while the sum is 51.

The spelling of 71077265475 in words is "seventy-one billion, seventy-seven million, two hundred sixty-five thousand, four hundred seventy-five".