87959770 has 16 divisors (see below), whose sum is σ = 160558848. Its totient is φ = 34688080.

The previous prime is 87959761. The next prime is 87959779. The reversal of 87959770 is 7795978.

It is an interprime number because it is at equal distance from previous prime (87959761) and next prime (87959779).

It is a super-2 number, since 2×87959770² = 15473842276905800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87959779) 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, 61234 + ... + 62653.

It is an arithmetic number, because the mean of its divisors is an integer number (10034928).

Almost surely, 2^87959770 is an apocalyptic number.

87959770 is a deficient number, since it is larger than the sum of its proper divisors (72599078).

87959770 is a wasteful number, since it uses less digits than its factorization.

87959770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123965.

The product of its (nonzero) digits is 1111320, while the sum is 52.

The square root of 87959770 is about 9378.6870083184. The cubic root of 87959770 is about 444.7282269346.

The spelling of 87959770 in words is "eighty-seven million, nine hundred fifty-nine thousand, seven hundred seventy".