60077961 has 12 divisors (see below), whose sum is σ = 86847540. Its totient is φ = 40020480.

The previous prime is 60077957. The next prime is 60077977. The reversal of 60077961 is 16977006.

It can be written as a sum of positive squares in 2 ways, for example, as 47610000 + 12467961 = 6900^2 + 3531^2 .

It is not a de Polignac number, because 60077961 - 2² = 60077957 is a prime.

It is a super-2 number, since 2×60077961² = 7218722795835042, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (60077261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17905 + ... + 20993.

It is an arithmetic number, because the mean of its divisors is an integer number (7237295).

Almost surely, 2^60077961 is an apocalyptic number.

It is an amenable number.

60077961 is a deficient number, since it is larger than the sum of its proper divisors (26769579).

60077961 is a wasteful number, since it uses less digits than its factorization.

60077961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5256 (or 5253 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 60077961 is about 7750.9974196874. The cubic root of 60077961 is about 391.6562501732.

The spelling of 60077961 in words is "sixty million, seventy-seven thousand, nine hundred sixty-one".