87393141 has 64 divisors (see below), whose sum is σ = 157593600. Its totient is φ = 47174400.

The previous prime is 87393139. The next prime is 87393151. The reversal of 87393141 is 14139378.

It is a happy number.

It is not a de Polignac number, because 87393141 - 2¹ = 87393139 is a prime.

It is a super-2 number, since 2×87393141² = 15275122187691762, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 87393096 and 87393105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87393121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 95476 + ... + 96386.

It is an arithmetic number, because the mean of its divisors is an integer number (2462400).

Almost surely, 2^87393141 is an apocalyptic number.

It is an amenable number.

87393141 is a deficient number, since it is larger than the sum of its proper divisors (70200459).

87393141 is a wasteful number, since it uses less digits than its factorization.

87393141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967 (or 961 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 87393141 is about 9348.4298681650. The cubic root of 87393141 is about 443.7712024254.

The spelling of 87393141 in words is "eighty-seven million, three hundred ninety-three thousand, one hundred forty-one".