77786355872051 has 8 divisors (see below), whose sum is σ = 80486458762320. Its totient is φ = 75087440632288.

The previous prime is 77786355872003. The next prime is 77786355872119. The reversal of 77786355872051 is 15027855368777.

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 77786355872051 - 2¹⁰ = 77786355871027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77786355875051) 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, 296779361 + ... + 297041346.

It is an arithmetic number, because the mean of its divisors is an integer number (10060807345290).

Almost surely, 2^{77786355872051} is an apocalyptic number.

77786355872051 is a deficient number, since it is larger than the sum of its proper divisors (2700102890269).

77786355872051 is a wasteful number, since it uses less digits than its factorization.

77786355872051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593825253.

The product of its (nonzero) digits is 691488000, while the sum is 71.

The spelling of 77786355872051 in words is "seventy-seven trillion, seven hundred eighty-six billion, three hundred fifty-five million, eight hundred seventy-two thousand, fifty-one".