87351733 has 4 divisors (see below), whose sum is σ = 99830560. Its totient is φ = 74872908.

The previous prime is 87351731. The next prime is 87351787. The reversal of 87351733 is 33715378.

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.

It is a cyclic number.

It is not a de Polignac number, because 87351733 - 2¹ = 87351731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87351692 and 87351701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87351731) 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, 6239403 + ... + 6239416.

It is an arithmetic number, because the mean of its divisors is an integer number (24957640).

Almost surely, 2^87351733 is an apocalyptic number.

It is an amenable number.

87351733 is a deficient number, since it is larger than the sum of its proper divisors (12478827).

87351733 is a wasteful number, since it uses less digits than its factorization.

87351733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12478826.

The product of its digits is 52920, while the sum is 37.

The square root of 87351733 is about 9346.2149023014. The cubic root of 87351733 is about 443.7011031754.

The spelling of 87351733 in words is "eighty-seven million, three hundred fifty-one thousand, seven hundred thirty-three".