87711474 has 16 divisors (see below), whose sum is σ = 177232608. Its totient is φ = 28935552.

The previous prime is 87711469. The next prime is 87711487. The reversal of 87711474 is 47411778.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74772 + ... + 75935.

It is an arithmetic number, because the mean of its divisors is an integer number (11077038).

Almost surely, 2^87711474 is an apocalyptic number.

87711474 is an abundant number, since it is smaller than the sum of its proper divisors (89521134).

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

87711474 is a wasteful number, since it uses less digits than its factorization.

87711474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150809.

The product of its digits is 43904, while the sum is 39.

The square root of 87711474 is about 9365.4404060888. The cubic root of 87711474 is about 444.3093676225.

The spelling of 87711474 in words is "eighty-seven million, seven hundred eleven thousand, four hundred seventy-four".