61772265020527 has 2 divisors, whose sum is σ = 61772265020528. Its totient is φ = 61772265020526.

The previous prime is 61772265020519. The next prime is 61772265020561. The reversal of 61772265020527 is 72502056227716.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61772265020527 - 2³ = 61772265020519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61772265020027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30886132510263 + 30886132510264.

It is an arithmetic number, because the mean of its divisors is an integer number (30886132510264).

Almost surely, 2^{61772265020527} is an apocalyptic number.

61772265020527 is a deficient number, since it is larger than the sum of its proper divisors (1).

61772265020527 is an equidigital number, since it uses as much as digits as its factorization.

61772265020527 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4939200, while the sum is 52.

The spelling of 61772265020527 in words is "sixty-one trillion, seven hundred seventy-two billion, two hundred sixty-five million, twenty thousand, five hundred twenty-seven".