87740862 has 16 divisors (see below), whose sum is σ = 191434752. Its totient is φ = 26588120.

The previous prime is 87740839. The next prime is 87740867. The reversal of 87740862 is 26804778.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87740867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 664638 + ... + 664769.

It is an arithmetic number, because the mean of its divisors is an integer number (11964672).

Almost surely, 2^87740862 is an apocalyptic number.

87740862 is an abundant number, since it is smaller than the sum of its proper divisors (103693890).

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

87740862 is a wasteful number, since it uses less digits than its factorization.

87740862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329423.

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 87740862 is about 9367.0092345423. The cubic root of 87740862 is about 444.3589844897.

The spelling of 87740862 in words is "eighty-seven million, seven hundred forty thousand, eight hundred sixty-two".