77154077007 has 12 divisors (see below), whose sum is σ = 127365460560. Its totient is φ = 44088043968.

The previous prime is 77154076991. The next prime is 77154077069. The reversal of 77154077007 is 70077045177.

It is not a de Polignac number, because 77154077007 - 2⁴ = 77154076991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77154077807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 612333882 + ... + 612334007.

It is an arithmetic number, because the mean of its divisors is an integer number (10613788380).

Almost surely, 2^77154077007 is an apocalyptic number.

77154077007 is a deficient number, since it is larger than the sum of its proper divisors (50211383553).

77154077007 is a wasteful number, since it uses less digits than its factorization.

77154077007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224667902 (or 1224667899 counting only the distinct ones).

The product of its (nonzero) digits is 336140, while the sum is 45.

The spelling of 77154077007 in words is "seventy-seven billion, one hundred fifty-four million, seventy-seven thousand, seven".