60779869 has 4 divisors (see below), whose sum is σ = 63422496. Its totient is φ = 58137244.

The previous prime is 60779867. The next prime is 60779891. The reversal of 60779869 is 96897706.

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 not a de Polignac number, because 60779869 - 2¹ = 60779867 is a prime.

It is a super-2 number, since 2×60779869² = 7388384951314322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60779861) 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, 1321279 + ... + 1321324.

It is an arithmetic number, because the mean of its divisors is an integer number (15855624).

Almost surely, 2^60779869 is an apocalyptic number.

It is an amenable number.

60779869 is a deficient number, since it is larger than the sum of its proper divisors (2642627).

60779869 is a wasteful number, since it uses less digits than its factorization.

60779869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2642626.

The product of its (nonzero) digits is 1143072, while the sum is 52.

The square root of 60779869 is about 7796.1444958390. The cubic root of 60779869 is about 393.1756256738.

The spelling of 60779869 in words is "sixty million, seven hundred seventy-nine thousand, eight hundred sixty-nine".