77630908190 has 16 divisors (see below), whose sum is σ = 152438874480. Its totient is φ = 28229421120.

The previous prime is 77630908189. The next prime is 77630908213. The reversal of 77630908190 is 9180903677.

It is a super-2 number, since 2×77630908190² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352867655 + ... + 352867874.

It is an arithmetic number, because the mean of its divisors is an integer number (9527429655).

Almost surely, 2^77630908190 is an apocalyptic number.

77630908190 is a deficient number, since it is larger than the sum of its proper divisors (74807966290).

77630908190 is a wasteful number, since it uses less digits than its factorization.

77630908190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705735547.

The product of its (nonzero) digits is 571536, while the sum is 50.

The spelling of 77630908190 in words is "seventy-seven billion, six hundred thirty million, nine hundred eight thousand, one hundred ninety".