1010871977 has 2 divisors, whose sum is σ = 1010871978. Its totient is φ = 1010871976.

The previous prime is 1010871959. The next prime is 1010872033. The reversal of 1010871977 is 7791780101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 870781081 + 140090896 = 29509^2 + 11836^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010871977 - 2¹² = 1010867881 is a prime.

It is not a weakly prime, because it can be changed into another prime (1010871377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505435988 + 505435989.

It is an arithmetic number, because the mean of its divisors is an integer number (505435989).

Almost surely, 2^1010871977 is an apocalyptic number.

It is an amenable number.

1010871977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010871977 is an equidigital number, since it uses as much as digits as its factorization.

1010871977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24696, while the sum is 41.

The square root of 1010871977 is about 31794.2129482709. The cubic root of 1010871977 is about 1003.6109377676.

The spelling of 1010871977 in words is "one billion, ten million, eight hundred seventy-one thousand, nine hundred seventy-seven".