87842701 has 4 divisors (see below), whose sum is σ = 87894400. Its totient is φ = 87791004.

The previous prime is 87842693. The next prime is 87842717. The reversal of 87842701 is 10724878.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10724878 = 2 ⋅5362439.

It is a cyclic number.

It is not a de Polignac number, because 87842701 - 2³ = 87842693 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 (87842731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23211 + ... + 26728.

It is an arithmetic number, because the mean of its divisors is an integer number (21973600).

Almost surely, 2^87842701 is an apocalyptic number.

It is an amenable number.

87842701 is a deficient number, since it is larger than the sum of its proper divisors (51699).

87842701 is a wasteful number, since it uses less digits than its factorization.

87842701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51698.

The product of its (nonzero) digits is 25088, while the sum is 37.

The square root of 87842701 is about 9372.4437048189. The cubic root of 87842701 is about 444.5308374393.

The spelling of 87842701 in words is "eighty-seven million, eight hundred forty-two thousand, seven hundred one".