71270774861 has 8 divisors (see below), whose sum is σ = 83730700704. Its totient is φ = 59807643120.

The previous prime is 71270774837. The next prime is 71270774867. The reversal of 71270774861 is 16847707217.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71270774861 - 2¹⁴ = 71270758477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71270774867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249198371 + ... + 249198656.

It is an arithmetic number, because the mean of its divisors is an integer number (10466337588).

Almost surely, 2^71270774861 is an apocalyptic number.

It is an amenable number.

71270774861 is a deficient number, since it is larger than the sum of its proper divisors (12459925843).

71270774861 is a wasteful number, since it uses less digits than its factorization.

71270774861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498397051.

The product of its (nonzero) digits is 921984, while the sum is 50.

The spelling of 71270774861 in words is "seventy-one billion, two hundred seventy million, seven hundred seventy-four thousand, eight hundred sixty-one".