60770977 has 2 divisors, whose sum is σ = 60770978. Its totient is φ = 60770976.

The previous prime is 60770947. The next prime is 60770989. The reversal of 60770977 is 77907706.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59536656 + 1234321 = 7716^2 + 1111^2 .

It is a cyclic number.

It is not a de Polignac number, because 60770977 - 2¹⁹ = 60246689 is a prime.

It is a super-2 number, since 2×60770977² = 7386223291069058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (60770917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30385488 + 30385489.

It is an arithmetic number, because the mean of its divisors is an integer number (30385489).

Almost surely, 2^60770977 is an apocalyptic number.

It is an amenable number.

60770977 is a deficient number, since it is larger than the sum of its proper divisors (1).

60770977 is an equidigital number, since it uses as much as digits as its factorization.

60770977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129654, while the sum is 43.

The square root of 60770977 is about 7795.5741930919. The cubic root of 60770977 is about 393.1564510785.

The spelling of 60770977 in words is "sixty million, seven hundred seventy thousand, nine hundred seventy-seven".