60878681 has 4 divisors (see below), whose sum is σ = 61243392. Its totient is φ = 60513972.

The previous prime is 60878647. The next prime is 60878687. The reversal of 60878681 is 18687806.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60878681 is a prime.

It is a super-2 number, since 2×60878681² = 7412427600599522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60878687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182105 + ... + 182438.

It is an arithmetic number, because the mean of its divisors is an integer number (15310848).

Almost surely, 2^60878681 is an apocalyptic number.

It is an amenable number.

60878681 is a deficient number, since it is larger than the sum of its proper divisors (364711).

60878681 is a wasteful number, since it uses less digits than its factorization.

60878681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364710.

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 60878681 is about 7802.4791572935. The cubic root of 60878681 is about 393.3885768588.

The spelling of 60878681 in words is "sixty million, eight hundred seventy-eight thousand, six hundred eighty-one".