60909957 has 12 divisors (see below), whose sum is σ = 91806624. Its totient is φ = 38841000.

The previous prime is 60909949. The next prime is 60909967. The reversal of 60909957 is 75990906.

It is not a de Polignac number, because 60909957 - 2³ = 60909949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60909907) 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, 146919 + ... + 147332.

It is an arithmetic number, because the mean of its divisors is an integer number (7650552).

Almost surely, 2^60909957 is an apocalyptic number.

It is an amenable number.

60909957 is a deficient number, since it is larger than the sum of its proper divisors (30896667).

60909957 is a wasteful number, since it uses less digits than its factorization.

60909957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294280 (or 294277 counting only the distinct ones).

The product of its (nonzero) digits is 153090, while the sum is 45.

The square root of 60909957 is about 7804.4831347117. The cubic root of 60909957 is about 393.4559322097.

The spelling of 60909957 in words is "sixty million, nine hundred nine thousand, nine hundred fifty-seven".