87397707 has 8 divisors (see below), whose sum is σ = 117619776. Its totient is φ = 57720392.

The previous prime is 87397693. The next prime is 87397727. The reversal of 87397707 is 70779378.

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 87397707 - 2¹⁵ = 87364939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87397727) 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, 135813 + ... + 136454.

It is an arithmetic number, because the mean of its divisors is an integer number (14702472).

Almost surely, 2^87397707 is an apocalyptic number.

87397707 is a deficient number, since it is larger than the sum of its proper divisors (30222069).

87397707 is a wasteful number, since it uses less digits than its factorization.

87397707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272377.

The product of its (nonzero) digits is 518616, while the sum is 48.

The square root of 87397707 is about 9348.6740771085. The cubic root of 87397707 is about 443.7789308123.

The spelling of 87397707 in words is "eighty-seven million, three hundred ninety-seven thousand, seven hundred seven".