1977036043 has 2 divisors, whose sum is σ = 1977036044. Its totient is φ = 1977036042.

The previous prime is 1977036037. The next prime is 1977036071. The reversal of 1977036043 is 3406307791.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1977036043 - 2⁵ = 1977036011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1977035987 and 1977036005.

It is not a weakly prime, because it can be changed into another prime (1977033043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 988518021 + 988518022.

It is an arithmetic number, because the mean of its divisors is an integer number (988518022).

Almost surely, 2^1977036043 is an apocalyptic number.

1977036043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1977036043 is an equidigital number, since it uses as much as digits as its factorization.

1977036043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 40.

The square root of 1977036043 is about 44463.8734592478. The cubic root of 1977036043 is about 1255.0803465965.

The spelling of 1977036043 in words is "one billion, nine hundred seventy-seven million, thirty-six thousand, forty-three".