1402016779 has 2 divisors, whose sum is σ = 1402016780. Its totient is φ = 1402016778.

The previous prime is 1402016767. The next prime is 1402016801. The reversal of 1402016779 is 9776102041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1402016779 - 2⁵ = 1402016747 is a prime.

It is not a weakly prime, because it can be changed into another prime (1402016179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701008389 + 701008390.

It is an arithmetic number, because the mean of its divisors is an integer number (701008390).

Almost surely, 2^1402016779 is an apocalyptic number.

1402016779 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402016779 is an equidigital number, since it uses as much as digits as its factorization.

1402016779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 1402016779 is about 37443.5145118617. The cubic root of 1402016779 is about 1119.2258625248.

The spelling of 1402016779 in words is "one billion, four hundred two million, sixteen thousand, seven hundred seventy-nine".