63077812919 has 12 divisors (see below), whose sum is σ = 70112503440. Its totient is φ = 56699148000.

The previous prime is 63077812873. The next prime is 63077812949. The reversal of 63077812919 is 91921877036.

It is not a de Polignac number, because 63077812919 - 2¹² = 63077808823 is a prime.

It is a super-2 number, since 2×63077812919² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63077812949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2917907 + ... + 2939444.

It is an arithmetic number, because the mean of its divisors is an integer number (5842708620).

Almost surely, 2^63077812919 is an apocalyptic number.

63077812919 is a deficient number, since it is larger than the sum of its proper divisors (7034690521).

63077812919 is a wasteful number, since it uses less digits than its factorization.

63077812919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5857462 (or 5857451 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 53.

The spelling of 63077812919 in words is "sixty-three billion, seventy-seven million, eight hundred twelve thousand, nine hundred nineteen".