60781697 has 2 divisors, whose sum is σ = 60781698. Its totient is φ = 60781696.

The previous prime is 60781691. The next prime is 60781723. The reversal of 60781697 is 79618706.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31013761 + 29767936 = 5569^2 + 5456^2 .

It is a cyclic number.

It is not a de Polignac number, because 60781697 - 2¹⁸ = 60519553 is a prime.

It is not a weakly prime, because it can be changed into another prime (60781691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30390848 + 30390849.

It is an arithmetic number, because the mean of its divisors is an integer number (30390849).

Almost surely, 2^60781697 is an apocalyptic number.

It is an amenable number.

60781697 is a deficient number, since it is larger than the sum of its proper divisors (1).

60781697 is an equidigital number, since it uses as much as digits as its factorization.

60781697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 60781697 is about 7796.2617323946. The cubic root of 60781697 is about 393.1795673179.

The spelling of 60781697 in words is "sixty million, seven hundred eighty-one thousand, six hundred ninety-seven".