1970977670 has 16 divisors (see below), whose sum is σ = 3630266640. Its totient is φ = 770056224.

The previous prime is 1970977669. The next prime is 1970977741. The reversal of 1970977670 is 767790791.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2291405 + ... + 2292264.

It is an arithmetic number, because the mean of its divisors is an integer number (226891665).

Almost surely, 2^1970977670 is an apocalyptic number.

1970977670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1970977670 is a deficient number, since it is larger than the sum of its proper divisors (1659288970).

1970977670 is a wasteful number, since it uses less digits than its factorization.

1970977670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4583719.

The product of its (nonzero) digits is 1166886, while the sum is 53.

The square root of 1970977670 is about 44395.6942732063. The cubic root of 1970977670 is about 1253.7970240084.

It can be divided in two parts, 19709 and 77670, that added together give a palindrome (97379).

The spelling of 1970977670 in words is "one billion, nine hundred seventy million, nine hundred seventy-seven thousand, six hundred seventy".