77470640337226 has 16 divisors (see below), whose sum is σ = 118399416422400. Its totient is φ = 38004179191888.

The previous prime is 77470640337203. The next prime is 77470640337227. The reversal of 77470640337226 is 62273304607477.

It is a happy number.

It is a super-2 number, since 2×77470640337226² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (77470640337227) 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, 11769135 + ... + 17130493.

It is an arithmetic number, because the mean of its divisors is an integer number (7399963526400).

Almost surely, 2^{77470640337226} is an apocalyptic number.

77470640337226 is a deficient number, since it is larger than the sum of its proper divisors (40928776085174).

77470640337226 is a wasteful number, since it uses less digits than its factorization.

77470640337226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5497733.

The product of its (nonzero) digits is 49787136, while the sum is 58.

The spelling of 77470640337226 in words is "seventy-seven trillion, four hundred seventy billion, six hundred forty million, three hundred thirty-seven thousand, two hundred twenty-six".