78277001007 has 16 divisors (see below), whose sum is σ = 110864063232. Its totient is φ = 48957045120.

The previous prime is 78277000993. The next prime is 78277001017. The reversal of 78277001007 is 70010077287.

It is not a de Polignac number, because 78277001007 - 2⁶ = 78277000943 is a prime.

It is a super-2 number, since 2×78277001007² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78277001017) 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, 2451733 + ... + 2483454.

It is an arithmetic number, because the mean of its divisors is an integer number (6929003952).

Almost surely, 2^78277001007 is an apocalyptic number.

78277001007 is a deficient number, since it is larger than the sum of its proper divisors (32587062225).

78277001007 is a wasteful number, since it uses less digits than its factorization.

78277001007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4935518.

The product of its (nonzero) digits is 38416, while the sum is 39.

The spelling of 78277001007 in words is "seventy-eight billion, two hundred seventy-seven million, one thousand, seven".