46277978 has 48 divisors (see below), whose sum is σ = 80269056. Its totient is φ = 19916160.

The previous prime is 46277951. The next prime is 46277983. The reversal of 46277978 is 87977264.

It is a super-3 number, since 3×46277978³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 557525 + ... + 557607.

It is an arithmetic number, because the mean of its divisors is an integer number (1672272).

Almost surely, 2^46277978 is an apocalyptic number.

46277978 is a deficient number, since it is larger than the sum of its proper divisors (33991078).

46277978 is a wasteful number, since it uses less digits than its factorization.

46277978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 156 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 50.

The square root of 46277978 is about 6802.7919268489. The cubic root of 46277978 is about 359.0250834035.

The spelling of 46277978 in words is "forty-six million, two hundred seventy-seven thousand, nine hundred seventy-eight".