61960595651987 has 2 divisors, whose sum is σ = 61960595651988. Its totient is φ = 61960595651986.

The previous prime is 61960595651971. The next prime is 61960595652037. The reversal of 61960595651987 is 78915659506916.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61960595651987 - 2⁴ = 61960595651971 is a prime.

It is not a weakly prime, because it can be changed into another prime (61960595651957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30980297825993 + 30980297825994.

It is an arithmetic number, because the mean of its divisors is an integer number (30980297825994).

Almost surely, 2^{61960595651987} is an apocalyptic number.

61960595651987 is a deficient number, since it is larger than the sum of its proper divisors (1).

61960595651987 is an equidigital number, since it uses as much as digits as its factorization.

61960595651987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1102248000, while the sum is 77.

The spelling of 61960595651987 in words is "sixty-one trillion, nine hundred sixty billion, five hundred ninety-five million, six hundred fifty-one thousand, nine hundred eighty-seven".