46064177978 has 16 divisors (see below), whose sum is σ = 85041559680. Its totient is φ = 18223191216.

The previous prime is 46064177977. The next prime is 46064178007. The reversal of 46064177978 is 87977146064.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (46064177977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126549758 + ... + 126550121.

It is an arithmetic number, because the mean of its divisors is an integer number (5315097480).

Almost surely, 2^46064177978 is an apocalyptic number.

46064177978 is a deficient number, since it is larger than the sum of its proper divisors (38977381702).

46064177978 is a wasteful number, since it uses less digits than its factorization.

46064177978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253099901.

The product of its (nonzero) digits is 14224896, while the sum is 59.

The spelling of 46064177978 in words is "forty-six billion, sixty-four million, one hundred seventy-seven thousand, nine hundred seventy-eight".