987607761 has 8 divisors (see below), whose sum is σ = 1504926144. Its totient is φ = 564347280.

The previous prime is 987607759. The next prime is 987607763. The reversal of 987607761 is 167706789.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (987607759) and next prime (987607763).

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

It is not a de Polignac number, because 987607761 - 2¹ = 987607759 is a prime.

It is not an unprimeable number, because it can be changed into a prime (987607763) 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, 23514450 + ... + 23514491.

It is an arithmetic number, because the mean of its divisors is an integer number (188115768).

Almost surely, 2^987607761 is an apocalyptic number.

It is an amenable number.

987607761 is a deficient number, since it is larger than the sum of its proper divisors (517318383).

987607761 is a wasteful number, since it uses less digits than its factorization.

987607761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47028951.

The product of its (nonzero) digits is 889056, while the sum is 51.

The square root of 987607761 is about 31426.2272791374. The cubic root of 987607761 is about 995.8520721500.

The spelling of 987607761 in words is "nine hundred eighty-seven million, six hundred seven thousand, seven hundred sixty-one".