987077390 has 16 divisors (see below), whose sum is σ = 1913411808. Its totient is φ = 364459296.

The previous prime is 987077387. The next prime is 987077393. The reversal of 987077390 is 93770789.

It is an interprime number because it is at equal distance from previous prime (987077387) and next prime (987077393).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987077393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3796322 + ... + 3796581.

It is an arithmetic number, because the mean of its divisors is an integer number (119588238).

Almost surely, 2^987077390 is an apocalyptic number.

987077390 is a deficient number, since it is larger than the sum of its proper divisors (926334418).

987077390 is a wasteful number, since it uses less digits than its factorization.

987077390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7592923.

The product of its (nonzero) digits is 666792, while the sum is 50.

The square root of 987077390 is about 31417.7877960877. The cubic root of 987077390 is about 995.6737740929.

The spelling of 987077390 in words is "nine hundred eighty-seven million, seventy-seven thousand, three hundred ninety".