77007803397 has 16 divisors (see below), whose sum is σ = 117440126592. Its totient is φ = 43968870720.

The previous prime is 77007803363. The next prime is 77007803417. The reversal of 77007803397 is 79330870077.

It is not a de Polignac number, because 77007803397 - 2⁷ = 77007803269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77007803497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1456254 + ... + 1508207.

It is an arithmetic number, because the mean of its divisors is an integer number (7340007912).

Almost surely, 2^77007803397 is an apocalyptic number.

It is an amenable number.

77007803397 is a deficient number, since it is larger than the sum of its proper divisors (40432323195).

77007803397 is a wasteful number, since it uses less digits than its factorization.

77007803397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2965708.

The product of its (nonzero) digits is 1555848, while the sum is 51.

The spelling of 77007803397 in words is "seventy-seven billion, seven million, eight hundred three thousand, three hundred ninety-seven".