677077774747 has 32 divisors (see below), whose sum is σ = 778832216064. Its totient is φ = 583105420800.

The previous prime is 677077774739. The next prime is 677077774753. The reversal of 677077774747 is 747477770776.

It is a cyclic number.

It is not a de Polignac number, because 677077774747 - 2³ = 677077774739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (677077754747) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2566263 + ... + 2817775.

It is an arithmetic number, because the mean of its divisors is an integer number (24338506752).

Almost surely, 2^677077774747 is an apocalyptic number.

677077774747 is a deficient number, since it is larger than the sum of its proper divisors (101754441317).

677077774747 is a wasteful number, since it uses less digits than its factorization.

677077774747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251739.

The product of its (nonzero) digits is 553420896, while the sum is 70.

The spelling of 677077774747 in words is "six hundred seventy-seven billion, seventy-seven million, seven hundred seventy-four thousand, seven hundred forty-seven".