87997053 has 8 divisors (see below), whose sum is σ = 117817216. Its totient is φ = 58420800.

The previous prime is 87997051. The next prime is 87997067. The reversal of 87997053 is 35079978.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87997053 - 2¹ = 87997051 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 87996993 and 87997011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87997051) 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, 60133 + ... + 61578.

It is an arithmetic number, because the mean of its divisors is an integer number (14727152).

Almost surely, 2^87997053 is an apocalyptic number.

It is an amenable number.

87997053 is a deficient number, since it is larger than the sum of its proper divisors (29820163).

87997053 is a wasteful number, since it uses less digits than its factorization.

87997053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121955.

The product of its (nonzero) digits is 476280, while the sum is 48.

The square root of 87997053 is about 9380.6744427040. The cubic root of 87997053 is about 444.7910528544.

The spelling of 87997053 in words is "eighty-seven million, nine hundred ninety-seven thousand, fifty-three".