77104625131 has 8 divisors (see below), whose sum is σ = 79018608240. Its totient is φ = 75196135392.

The previous prime is 77104625123. The next prime is 77104625137. The reversal of 77104625131 is 13152640177.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 77104625131 - 2³ = 77104625123 is a prime.

It is a super-2 number, since 2×77104625131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77104625137) 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 7 ways as a sum of consecutive naturals, for example, 1344916 + ... + 1401073.

It is an arithmetic number, because the mean of its divisors is an integer number (9877326030).

Almost surely, 2^77104625131 is an apocalyptic number.

77104625131 is a deficient number, since it is larger than the sum of its proper divisors (1913983109).

77104625131 is a wasteful number, since it uses less digits than its factorization.

77104625131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2746685.

The product of its (nonzero) digits is 35280, while the sum is 37.

The spelling of 77104625131 in words is "seventy-seven billion, one hundred four million, six hundred twenty-five thousand, one hundred thirty-one".