77153946154 has 8 divisors (see below), whose sum is σ = 120762698400. Its totient is φ = 36899713356.

The previous prime is 77153946127. The next prime is 77153946161. The reversal of 77153946154 is 45164935177.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 838629804 + ... + 838629895.

It is an arithmetic number, because the mean of its divisors is an integer number (15095337300).

Almost surely, 2^77153946154 is an apocalyptic number.

77153946154 is a deficient number, since it is larger than the sum of its proper divisors (43608752246).

77153946154 is a wasteful number, since it uses less digits than its factorization.

77153946154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1677259724.

The product of its digits is 3175200, while the sum is 52.

The spelling of 77153946154 in words is "seventy-seven billion, one hundred fifty-three million, nine hundred forty-six thousand, one hundred fifty-four".