87388074 has 12 divisors (see below), whose sum is σ = 189340866. Its totient is φ = 29129352.

The previous prime is 87388073. The next prime is 87388151. The reversal of 87388074 is 47088378.

It can be written as a sum of positive squares in only one way, i.e., 87329025 + 59049 = 9345^2 + 243^2 .

It is not an unprimeable number, because it can be changed into a prime (87388073) 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, 2427429 + ... + 2427464.

Almost surely, 2^87388074 is an apocalyptic number.

87388074 is an abundant number, since it is smaller than the sum of its proper divisors (101952792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87388074 is a wasteful number, since it uses less digits than its factorization.

87388074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4854901 (or 4854898 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The square root of 87388074 is about 9348.1588561599. The cubic root of 87388074 is about 443.7626257335.

The spelling of 87388074 in words is "eighty-seven million, three hundred eighty-eight thousand, seventy-four".