60878369 has 4 divisors (see below), whose sum is σ = 61095300. Its totient is φ = 60661440.

The previous prime is 60878359. The next prime is 60878371. The reversal of 60878369 is 96387806.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19918369 + 40960000 = 4463^2 + 6400^2 .

It is a cyclic number.

It is not a de Polignac number, because 60878369 - 2²⁰ = 59829793 is a prime.

It is a super-2 number, since 2×60878369² = 7412351624200322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60878359) 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, 108044 + ... + 108605.

It is an arithmetic number, because the mean of its divisors is an integer number (15273825).

Almost surely, 2^60878369 is an apocalyptic number.

It is an amenable number.

60878369 is a deficient number, since it is larger than the sum of its proper divisors (216931).

60878369 is a wasteful number, since it uses less digits than its factorization.

60878369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216930.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 60878369 is about 7802.4591636227. The cubic root of 60878369 is about 393.3879048258.

The spelling of 60878369 in words is "sixty million, eight hundred seventy-eight thousand, three hundred sixty-nine".