777390061 has 8 divisors (see below), whose sum is σ = 905209344. Its totient is φ = 653761680.

The previous prime is 777389993. The next prime is 777390109. The reversal of 777390061 is 160093777.

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 777390061 - 2¹⁵ = 777357293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 777389996 and 777390023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (777190061) by changing a digit.

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, 1047325 + ... + 1048066.

It is an arithmetic number, because the mean of its divisors is an integer number (113151168).

Almost surely, 2^777390061 is an apocalyptic number.

It is an amenable number.

777390061 is a deficient number, since it is larger than the sum of its proper divisors (127819283).

777390061 is a wasteful number, since it uses less digits than its factorization.

777390061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2095451.

The product of its (nonzero) digits is 55566, while the sum is 40.

The square root of 777390061 is about 27881.7155318678. The cubic root of 777390061 is about 919.4885551293.

The spelling of 777390061 in words is "seven hundred seventy-seven million, three hundred ninety thousand, sixty-one".