60778563 has 4 divisors (see below), whose sum is σ = 81038088. Its totient is φ = 40519040.

The previous prime is 60778561. The next prime is 60778583. The reversal of 60778563 is 36587706.

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

It is a cyclic number.

It is not a de Polignac number, because 60778563 - 2¹ = 60778561 is a prime.

It is a super-3 number, since 3×60778563³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (60778561) 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, 10129758 + ... + 10129763.

It is an arithmetic number, because the mean of its divisors is an integer number (20259522).

Almost surely, 2^60778563 is an apocalyptic number.

60778563 is a deficient number, since it is larger than the sum of its proper divisors (20259525).

60778563 is a wasteful number, since it uses less digits than its factorization.

60778563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20259524.

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 60778563 is about 7796.0607360384. The cubic root of 60778563 is about 393.1728095492.

The spelling of 60778563 in words is "sixty million, seven hundred seventy-eight thousand, five hundred sixty-three".