60780993 has 32 divisors (see below), whose sum is σ = 101262336. Its totient is φ = 31572288.

The previous prime is 60780989. The next prime is 60780997. The reversal of 60780993 is 39908706.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (60780989) and next prime (60780997).

It is not a de Polignac number, because 60780993 - 2² = 60780989 is a prime.

It is a super-2 number, since 2×60780993² = 7388658220132098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (60780997) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16630 + ... + 19952.

It is an arithmetic number, because the mean of its divisors is an integer number (3164448).

Almost surely, 2^60780993 is an apocalyptic number.

It is an amenable number.

60780993 is a deficient number, since it is larger than the sum of its proper divisors (40481343).

60780993 is a wasteful number, since it uses less digits than its factorization.

60780993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3413.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 60780993 is about 7796.2165824200. The cubic root of 60780993 is about 393.1780493199.

The spelling of 60780993 in words is "sixty million, seven hundred eighty thousand, nine hundred ninety-three".