87703649 has 8 divisors (see below), whose sum is σ = 95755392. Its totient is φ = 79665040.

The previous prime is 87703643. The next prime is 87703661. The reversal of 87703649 is 94630778.

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 87703649 - 2¹² = 87699553 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (87703643) 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, 15272 + ... + 20214.

It is an arithmetic number, because the mean of its divisors is an integer number (11969424).

Almost surely, 2^87703649 is an apocalyptic number.

It is an amenable number.

87703649 is a deficient number, since it is larger than the sum of its proper divisors (8051743).

87703649 is a wasteful number, since it uses less digits than its factorization.

87703649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6567.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 87703649 is about 9365.0226374526. The cubic root of 87703649 is about 444.2961545120.

The spelling of 87703649 in words is "eighty-seven million, seven hundred three thousand, six hundred forty-nine".