2977036646 has 4 divisors (see below), whose sum is σ = 4465554972. Its totient is φ = 1488518322.

The previous prime is 2977036637. The next prime is 2977036649. The reversal of 2977036646 is 6466307792.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 2977036594 and 2977036603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2977036649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 744259160 + ... + 744259163.

It is an arithmetic number, because the mean of its divisors is an integer number (1116388743).

Almost surely, 2^2977036646 is an apocalyptic number.

2977036646 is a deficient number, since it is larger than the sum of its proper divisors (1488518326).

2977036646 is a wasteful number, since it uses less digits than its factorization.

2977036646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1488518325.

The product of its (nonzero) digits is 2286144, while the sum is 50.

The square root of 2977036646 is about 54562.2272822509. The cubic root of 2977036646 is about 1438.5602646484.

The spelling of 2977036646 in words is "two billion, nine hundred seventy-seven million, thirty-six thousand, six hundred forty-six".