61476605755671 has 4 divisors (see below), whose sum is σ = 81968807674232. Its totient is φ = 40984403837112.

The previous prime is 61476605755633. The next prime is 61476605755703. The reversal of 61476605755671 is 17655750667416.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 61476605755671 - 2²³ = 61476597367063 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 (61476605255671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10246100959276 + ... + 10246100959281.

It is an arithmetic number, because the mean of its divisors is an integer number (20492201918558).

Almost surely, 2^{61476605755671} is an apocalyptic number.

61476605755671 is a deficient number, since it is larger than the sum of its proper divisors (20492201918561).

61476605755671 is a wasteful number, since it uses less digits than its factorization.

61476605755671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20492201918560.

The product of its (nonzero) digits is 222264000, while the sum is 66.

The spelling of 61476605755671 in words is "sixty-one trillion, four hundred seventy-six billion, six hundred five million, seven hundred fifty-five thousand, six hundred seventy-one".