397577763459071 has 32 divisors (see below), whose sum is σ = 454365216915456. Its totient is φ = 345297809520000.

The previous prime is 397577763459067. The next prime is 397577763459089. The reversal of 397577763459071 is 170954367775793.

It is a cyclic number.

It is not a de Polignac number, because 397577763459071 - 2² = 397577763459067 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397577763459031) 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, 66644300 + ... + 72364481.

It is an arithmetic number, because the mean of its divisors is an integer number (14198913028608).

Almost surely, 2^{397577763459071} is an apocalyptic number.

397577763459071 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

397577763459071 is a deficient number, since it is larger than the sum of its proper divisors (56787453456385).

397577763459071 is a wasteful number, since it uses less digits than its factorization.

397577763459071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139009023.

The product of its (nonzero) digits is 7351381800, while the sum is 80.

The spelling of 397577763459071 in words is "three hundred ninety-seven trillion, five hundred seventy-seven billion, seven hundred sixty-three million, four hundred fifty-nine thousand, seventy-one".