77190611953 has 16 divisors (see below), whose sum is σ = 100004033920. Its totient is φ = 57859474176.

The previous prime is 77190611947. The next prime is 77190611977. The reversal of 77190611953 is 35911609177.

It is not a de Polignac number, because 77190611953 - 2³³ = 68600677361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 77190611897 and 77190611906.

It is not an unprimeable number, because it can be changed into a prime (77190611933) 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, 22320600 + ... + 22324057.

It is an arithmetic number, because the mean of its divisors is an integer number (6250252120).

Almost surely, 2^77190611953 is an apocalyptic number.

It is an amenable number.

77190611953 is a deficient number, since it is larger than the sum of its proper divisors (22813421967).

77190611953 is a wasteful number, since it uses less digits than its factorization.

77190611953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44644696.

The product of its (nonzero) digits is 357210, while the sum is 49.

The spelling of 77190611953 in words is "seventy-seven billion, one hundred ninety million, six hundred eleven thousand, nine hundred fifty-three".