987790952 has 8 divisors (see below), whose sum is σ = 1852108050. Its totient is φ = 493895472.

The previous prime is 987790949. The next prime is 987790987. The reversal of 987790952 is 259097789.

It can be written as a sum of positive squares in only one way, i.e., 924524836 + 63266116 = 30406^2 + 7954^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61736927 + ... + 61736942.

Almost surely, 2^987790952 is an apocalyptic number.

It is an amenable number.

987790952 is a deficient number, since it is larger than the sum of its proper divisors (864317098).

987790952 is a wasteful number, since it uses less digits than its factorization.

987790952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123473875 (or 123473871 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 56.

The square root of 987790952 is about 31429.1417636562. The cubic root of 987790952 is about 995.9136417547.

The spelling of 987790952 in words is "nine hundred eighty-seven million, seven hundred ninety thousand, nine hundred fifty-two".