60888991 has 8 divisors (see below), whose sum is σ = 63185024. Its totient is φ = 58613760.

The previous prime is 60888979. The next prime is 60889001. The reversal of 60888991 is 19988806.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 60888991 - 2¹⁷ = 60757919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60888911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 895 + ... + 11071.

It is an arithmetic number, because the mean of its divisors is an integer number (7898128).

Almost surely, 2^60888991 is an apocalyptic number.

60888991 is a deficient number, since it is larger than the sum of its proper divisors (2296033).

60888991 is a wasteful number, since it uses less digits than its factorization.

60888991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10401.

The product of its (nonzero) digits is 248832, while the sum is 49.

The square root of 60888991 is about 7803.1398167661. The cubic root of 60888991 is about 393.4107828113.

The spelling of 60888991 in words is "sixty million, eight hundred eighty-eight thousand, nine hundred ninety-one".