87293877 has 12 divisors (see below), whose sum is σ = 127935360. Its totient is φ = 52905160.

The previous prime is 87293873. The next prime is 87293881. The reversal of 87293877 is 77839278.

It is an interprime number because it is at equal distance from previous prime (87293873) and next prime (87293881).

It is not a de Polignac number, because 87293877 - 2² = 87293873 is a prime.

It is a super-2 number, since 2×87293877² = 15240441923382258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87293873) 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 11 ways as a sum of consecutive naturals, for example, 119877 + ... + 120602.

It is an arithmetic number, because the mean of its divisors is an integer number (10661280).

Almost surely, 2^87293877 is an apocalyptic number.

It is an amenable number.

87293877 is a deficient number, since it is larger than the sum of its proper divisors (40641483).

87293877 is a wasteful number, since it uses less digits than its factorization.

87293877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240504 (or 240493 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 51.

The square root of 87293877 is about 9343.1192328901. The cubic root of 87293877 is about 443.6031221365.

It can be divided in two parts, 872 and 93877, that added together give a palindrome (94749).

The spelling of 87293877 in words is "eighty-seven million, two hundred ninety-three thousand, eight hundred seventy-seven".