87874479 has 48 divisors (see below), whose sum is σ = 167581440. Its totient is φ = 42958080.

The previous prime is 87874471. The next prime is 87874481. The reversal of 87874479 is 97447878.

It is not a de Polignac number, because 87874479 - 2³ = 87874471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87874471) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8052 + ... + 15510.

It is an arithmetic number, because the mean of its divisors is an integer number (3491280).

Almost surely, 2^87874479 is an apocalyptic number.

87874479 is a deficient number, since it is larger than the sum of its proper divisors (79706961).

87874479 is a wasteful number, since it uses less digits than its factorization.

87874479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7500 (or 7497 counting only the distinct ones).

The product of its digits is 3161088, while the sum is 54.

The square root of 87874479 is about 9374.1388404482. The cubic root of 87874479 is about 444.5844355098.

It can be divided in two parts, 878 and 74479, that added together give a palindrome (75357).

The spelling of 87874479 in words is "eighty-seven million, eight hundred seventy-four thousand, four hundred seventy-nine".