77700323954 has 64 divisors (see below), whose sum is σ = 133729339392. Its totient is φ = 33544929600.

The previous prime is 77700323951. The next prime is 77700323969. The reversal of 77700323954 is 45932300777.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a junction number, because it is equal to n+sod(n) for n = 77700323899 and 77700323908.

It is not an unprimeable number, because it can be changed into a prime (77700323951) 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, 6974969 + ... + 6986099.

It is an arithmetic number, because the mean of its divisors is an integer number (2089520928).

Almost surely, 2^77700323954 is an apocalyptic number.

77700323954 is a deficient number, since it is larger than the sum of its proper divisors (56029015438).

77700323954 is a wasteful number, since it uses less digits than its factorization.

77700323954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11391.

The product of its (nonzero) digits is 1111320, while the sum is 47.

The spelling of 77700323954 in words is "seventy-seven billion, seven hundred million, three hundred twenty-three thousand, nine hundred fifty-four".