87503377 has 4 divisors (see below), whose sum is σ = 94234420. Its totient is φ = 80772336.

The previous prime is 87503363. The next prime is 87503387. The reversal of 87503377 is 77330578.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7203856 + 80299521 = 2684^2 + 8961^2 .

It is a cyclic number.

It is not a de Polignac number, because 87503377 - 2⁷ = 87503249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87503327) 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, 3365502 + ... + 3365527.

It is an arithmetic number, because the mean of its divisors is an integer number (23558605).

Almost surely, 2^87503377 is an apocalyptic number.

It is an amenable number.

87503377 is a deficient number, since it is larger than the sum of its proper divisors (6731043).

87503377 is a wasteful number, since it uses less digits than its factorization.

87503377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6731042.

The product of its (nonzero) digits is 123480, while the sum is 40.

The square root of 87503377 is about 9354.3239734360. The cubic root of 87503377 is about 443.9577121346.

The spelling of 87503377 in words is "eighty-seven million, five hundred three thousand, three hundred seventy-seven".