1028977983 has 12 divisors (see below), whose sum is σ = 1621420008. Its totient is φ = 623622960.

The previous prime is 1028977967. The next prime is 1028978011. The reversal of 1028977983 is 3897798201.

It is not a de Polignac number, because 1028977983 - 2⁴ = 1028977967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028977903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5196760 + ... + 5196957.

It is an arithmetic number, because the mean of its divisors is an integer number (135118334).

Almost surely, 2^1028977983 is an apocalyptic number.

1028977983 is a deficient number, since it is larger than the sum of its proper divisors (592442025).

1028977983 is a wasteful number, since it uses less digits than its factorization.

1028977983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10393734 (or 10393731 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 54.

The square root of 1028977983 is about 32077.6866840488. The cubic root of 1028977983 is about 1009.5674987083.

The spelling of 1028977983 in words is "one billion, twenty-eight million, nine hundred seventy-seven thousand, nine hundred eighty-three".