77403700401 has 8 divisors (see below), whose sum is σ = 103415129184. Its totient is φ = 51497369280.

The previous prime is 77403700397. The next prime is 77403700403. The reversal of 77403700401 is 10400730477.

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

It is not a de Polignac number, because 77403700401 - 2² = 77403700397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77403700403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26272696 + ... + 26275641.

It is an arithmetic number, because the mean of its divisors is an integer number (12926891148).

Almost surely, 2^77403700401 is an apocalyptic number.

It is an amenable number.

77403700401 is a deficient number, since it is larger than the sum of its proper divisors (26011428783).

77403700401 is a wasteful number, since it uses less digits than its factorization.

77403700401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52548831.

The product of its (nonzero) digits is 16464, while the sum is 33.

The spelling of 77403700401 in words is "seventy-seven billion, four hundred three million, seven hundred thousand, four hundred one".