60778260 has 108 divisors (see below), whose sum is σ = 189471828. Its totient is φ = 15768576.

The previous prime is 60778253. The next prime is 60778273. The reversal of 60778260 is 6287706.

It can be written as a sum of positive squares in 2 ways, for example, as 24561936 + 36216324 = 4956^2 + 6018^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 626532 + ... + 626628.

Almost surely, 2^60778260 is an apocalyptic number.

60778260 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60778260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94735914).

60778260 is an abundant number, since it is smaller than the sum of its proper divisors (128693568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

60778260 is a wasteful number, since it uses less digits than its factorization.

60778260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 60778260 is about 7796.0413031230. The cubic root of 60778260 is about 393.1721561853.

The spelling of 60778260 in words is "sixty million, seven hundred seventy-eight thousand, two hundred sixty".