77723036361512 has 32 divisors (see below), whose sum is σ = 146766202629120. Its totient is φ = 38585744483520.

The previous prime is 77723036361469. The next prime is 77723036361541. The reversal of 77723036361512 is 21516363032777.

It is a super-2 number, since 2×77723036361512² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20917064 + ... + 24350967.

It is an arithmetic number, because the mean of its divisors is an integer number (4586443832160).

Almost surely, 2^{77723036361512} is an apocalyptic number.

It is an amenable number.

77723036361512 is a deficient number, since it is larger than the sum of its proper divisors (69043166267608).

77723036361512 is a wasteful number, since it uses less digits than its factorization.

77723036361512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45269561 (or 45269557 counting only the distinct ones).

The product of its (nonzero) digits is 6667920, while the sum is 53.

The spelling of 77723036361512 in words is "seventy-seven trillion, seven hundred twenty-three billion, thirty-six million, three hundred sixty-one thousand, five hundred twelve".