77252670485801 has 8 divisors (see below), whose sum is σ = 77379179796744. Its totient is φ = 77126162757120.

The previous prime is 77252670485797. The next prime is 77252670485821. The reversal of 77252670485801 is 10858407625277.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 341962970176 + 76910707515625 = 584776^2 + 8769875^2 .

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 77252670485801 - 2² = 77252670485797 is a prime.

It is a super-2 number, since 2×77252670485801² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77252670485821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135471065 + ... + 136040121.

It is an arithmetic number, because the mean of its divisors is an integer number (9672397474593).

Almost surely, 2^{77252670485801} is an apocalyptic number.

It is an amenable number.

77252670485801 is a deficient number, since it is larger than the sum of its proper divisors (126509310943).

77252670485801 is a wasteful number, since it uses less digits than its factorization.

77252670485801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791131.

The product of its (nonzero) digits is 52684800, while the sum is 62.

The spelling of 77252670485801 in words is "seventy-seven trillion, two hundred fifty-two billion, six hundred seventy million, four hundred eighty-five thousand, eight hundred one".