87374853 has 6 divisors (see below), whose sum is σ = 126208134. Its totient is φ = 58249896.

The previous prime is 87374843. The next prime is 87374873. The reversal of 87374853 is 35847378.

It can be written as a sum of positive squares in only one way, i.e., 86992929 + 381924 = 9327^2 + 618^2 .

It is not a de Polignac number, because 87374853 - 2⁵ = 87374821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87374799 and 87374808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87374803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4854150 + ... + 4854167.

It is an arithmetic number, because the mean of its divisors is an integer number (21034689).

Almost surely, 2^87374853 is an apocalyptic number.

It is an amenable number.

87374853 is a deficient number, since it is larger than the sum of its proper divisors (38833281).

87374853 is a wasteful number, since it uses less digits than its factorization.

87374853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9708323 (or 9708320 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 87374853 is about 9347.4516848176. The cubic root of 87374853 is about 443.7402455569.

The spelling of 87374853 in words is "eighty-seven million, three hundred seventy-four thousand, eight hundred fifty-three".