87948007 has 4 divisors (see below), whose sum is σ = 100512016. Its totient is φ = 75384000.

The previous prime is 87947969. The next prime is 87948011. The reversal of 87948007 is 70084978.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 87948007 - 2¹¹ = 87945959 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 (87948307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6281994 + ... + 6282007.

It is an arithmetic number, because the mean of its divisors is an integer number (25128004).

Almost surely, 2^87948007 is an apocalyptic number.

87948007 is a deficient number, since it is larger than the sum of its proper divisors (12564009).

87948007 is a wasteful number, since it uses less digits than its factorization.

87948007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12564008.

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 87948007 is about 9378.0598739825. The cubic root of 87948007 is about 444.7084013130.

The spelling of 87948007 in words is "eighty-seven million, nine hundred forty-eight thousand, seven".