987425742 has 32 divisors (see below), whose sum is σ = 2066347008. Its totient is φ = 313970976.

The previous prime is 987425729. The next prime is 987425749. The reversal of 987425742 is 247524789.

It is a junction number, because it is equal to n+sod(n) for n = 987425691 and 987425700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987425749) 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, 41883 + ... + 61065.

It is an arithmetic number, because the mean of its divisors is an integer number (64573344).

Almost surely, 2^987425742 is an apocalyptic number.

987425742 is an abundant number, since it is smaller than the sum of its proper divisors (1078921266).

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

987425742 is a wasteful number, since it uses less digits than its factorization.

987425742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19584.

The product of its digits is 1128960, while the sum is 48.

The square root of 987425742 is about 31423.3311728722. The cubic root of 987425742 is about 995.7908889075.

The spelling of 987425742 in words is "nine hundred eighty-seven million, four hundred twenty-five thousand, seven hundred forty-two".