3136997780 has 48 divisors (see below), whose sum is σ = 7545073536. Its totient is φ = 1073216640.

The previous prime is 3136997771. The next prime is 3136997783. The reversal of 3136997780 is 877996313.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3136997783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41390 + ... + 89370.

It is an arithmetic number, because the mean of its divisors is an integer number (157189032).

Almost surely, 2^3136997780 is an apocalyptic number.

It is an amenable number.

3136997780 is an abundant number, since it is smaller than the sum of its proper divisors (4408075756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3136997780 is a wasteful number, since it uses less digits than its factorization.

3136997780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48464 (or 48462 counting only the distinct ones).

The product of its (nonzero) digits is 1714608, while the sum is 53.

The square root of 3136997780 is about 56008.9080414893. The cubic root of 3136997780 is about 1463.8775048803.

The spelling of 3136997780 in words is "three billion, one hundred thirty-six million, nine hundred ninety-seven thousand, seven hundred eighty".