60987487 has 16 divisors (see below), whose sum is σ = 68406912. Its totient is φ = 53903520.

The previous prime is 60987481. The next prime is 60987503. The reversal of 60987487 is 78478906.

It is not a de Polignac number, because 60987487 - 2¹¹ = 60985439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 60987487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60987481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60673 + ... + 61669.

It is an arithmetic number, because the mean of its divisors is an integer number (4275432).

Almost surely, 2^60987487 is an apocalyptic number.

60987487 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

60987487 is a deficient number, since it is larger than the sum of its proper divisors (7419425).

60987487 is a wasteful number, since it uses less digits than its factorization.

60987487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158.

The product of its (nonzero) digits is 677376, while the sum is 49.

The square root of 60987487 is about 7809.4485720824. The cubic root of 60987487 is about 393.6227998634.

It can be divided in two parts, 609874 and 87, that added together give a square (609961 = 781²).

The spelling of 60987487 in words is "sixty million, nine hundred eighty-seven thousand, four hundred eighty-seven".