77190020006 has 16 divisors (see below), whose sum is σ = 126559115280. Its totient is φ = 35017435680.

The previous prime is 77190019993. The next prime is 77190020023. The reversal of 77190020006 is 60002009177.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3435401 + ... + 3457796.

It is an arithmetic number, because the mean of its divisors is an integer number (7909944705).

Almost surely, 2^77190020006 is an apocalyptic number.

77190020006 is a deficient number, since it is larger than the sum of its proper divisors (49369095274).

77190020006 is a wasteful number, since it uses less digits than its factorization.

77190020006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6893719.

The product of its (nonzero) digits is 5292, while the sum is 32.

The spelling of 77190020006 in words is "seventy-seven billion, one hundred ninety million, twenty thousand, six".