87977030 has 32 divisors (see below), whose sum is σ = 169205760. Its totient is φ = 32836320.

The previous prime is 87977003. The next prime is 87977033. The reversal of 87977030 is 3077978.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87977033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9275 + ... + 16185.

It is an arithmetic number, because the mean of its divisors is an integer number (5287680).

Almost surely, 2^87977030 is an apocalyptic number.

87977030 is a deficient number, since it is larger than the sum of its proper divisors (81228730).

87977030 is a wasteful number, since it uses less digits than its factorization.

87977030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7004.

The product of its (nonzero) digits is 74088, while the sum is 41.

The square root of 87977030 is about 9379.6071346299. The cubic root of 87977030 is about 444.7573141229.

The spelling of 87977030 in words is "eighty-seven million, nine hundred seventy-seven thousand, thirty".