64077932193 has 32 divisors (see below), whose sum is σ = 103880931840. Its totient is φ = 34626965760.

The previous prime is 64077932147. The next prime is 64077932207. The reversal of 64077932193 is 39123977046.

It is not a de Polignac number, because 64077932193 - 2⁶ = 64077932129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (64077932593) 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, 2995155 + ... + 3016472.

It is an arithmetic number, because the mean of its divisors is an integer number (3246279120).

Almost surely, 2^64077932193 is an apocalyptic number.

It is an amenable number.

64077932193 is a deficient number, since it is larger than the sum of its proper divisors (39802999647).

64077932193 is a wasteful number, since it uses less digits than its factorization.

64077932193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6011677.

The product of its (nonzero) digits is 1714608, while the sum is 51.

The spelling of 64077932193 in words is "sixty-four billion, seventy-seven million, nine hundred thirty-two thousand, one hundred ninety-three".