87738550 has 24 divisors (see below), whose sum is σ = 164288592. Its totient is φ = 34860000.

The previous prime is 87738527. The next prime is 87738617. The reversal of 87738550 is 5583778.

It is a super-2 number, since 2×87738550² = 15396106312205000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 87738497 and 87738506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1740 + ... + 13360.

It is an arithmetic number, because the mean of its divisors is an integer number (6845358).

Almost surely, 2^87738550 is an apocalyptic number.

87738550 is a deficient number, since it is larger than the sum of its proper divisors (76550042).

87738550 is a wasteful number, since it uses less digits than its factorization.

87738550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11784 (or 11779 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 43.

The square root of 87738550 is about 9366.8858218727. The cubic root of 87738550 is about 444.3550814546.

It can be divided in two parts, 87738 and 550, that added together give a palindrome (88288).

The spelling of 87738550 in words is "eighty-seven million, seven hundred thirty-eight thousand, five hundred fifty".