61620850347 has 16 divisors (see below), whose sum is σ = 94417220352. Its totient is φ = 35017371360.

The previous prime is 61620850337. The next prime is 61620850363. The reversal of 61620850347 is 74305802616.

It is not a de Polignac number, because 61620850347 - 2⁸ = 61620850091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61620850299 and 61620850308.

It is not an unprimeable number, because it can be changed into a prime (61620850337) 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, 8102073 + ... + 8109674.

It is an arithmetic number, because the mean of its divisors is an integer number (5901076272).

Almost surely, 2^61620850347 is an apocalyptic number.

61620850347 is a deficient number, since it is larger than the sum of its proper divisors (32796370005).

61620850347 is a wasteful number, since it uses less digits than its factorization.

61620850347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16211938.

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 61620850347 in words is "sixty-one billion, six hundred twenty million, eight hundred fifty thousand, three hundred forty-seven".